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Bacteria   /bæktˈɪriə/   Listen
Bacteria

noun
1.
(microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants.  Synonym: bacterium.



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"Bacteria" Quotes from Famous Books



... the farm deals with certain agents, chief among which are Soils, Plants, Animals, Tools and Buildings. Other agents which assist or retard his work according to circumstances are the air, sunlight, heat, moisture, plant food, microscopic organisms called bacteria, etc. These agents are controlled in their relations to one another by certain forces which work according to certain laws and principles of nature. To work intelligently and to obtain the best results the farmer must become familiar ...
— The First Book of Farming • Charles L. Goodrich

... silk to the touch, the most exquisitely beautiful surface in the universe to the eye, and yet a wall of adamant against hostile attack. Impervious alike, by virtue of its wonderful responsive vitality, to moisture and drought, cold and heat, electrical changes, hostile bacteria, the most virulent of poisons and the deadliest of gases, it is one of the real Wonders of the World. More beautiful than velvet, softer and more pliable than silk, more impervious than rubber, and more durable under exposure than steel, well-nigh as resistant to electric currents as ...
— Studies in the Psychology of Sex, Volume 4 (of 6) • Havelock Ellis

... fever, typhus fever.) Infectious diseases caused by rickettsia bacteria, especially those transmitted by fleas, lice, or mites. Symptoms are severe headache, sustained high fever, depression, delirium, and the eruption of red rashes on ...
— Mother's Remedies - Over One Thousand Tried and Tested Remedies from Mothers - of the United States and Canada • T. J. Ritter

... for the investigation of bacteria. Not being ambitious to spend my life doctoring whooping-cough and indigestion, I am striving to make a ...
— Wanted—A Match Maker • Paul Leicester Ford

... with you to the x to-morrow a little bottle full of fluid containing the bacteria you have found developed in your infusions? I mean a good characteristic specimen. It will be useful to you, I think, if I determine the forms with my own microscope, and make drawings of them which ...
— The Life and Letters of Thomas Henry Huxley Volume 2 • Leonard Huxley

... building-stones themselves, the variations, have their basis in the influences which cause variation in those vital units which are handed on from one generation to another, whether, taken together they form the whole organism, as in Bacteria and other low forms of life, or only a germ-substance, as ...
— Evolution in Modern Thought • Ernst Haeckel

... only is it the ultimate structural element of all the more familiar animals and plants that we know, as the foregoing analysis demonstrates, but, in the second place, the microscope reveals simple little organisms, like Amoeba, the yeast plant and bacteria, which consist throughout their lives of just one cell and nothing more. Still more wonderful is the fact that the larger complex organisms actually begin existence as single cells. In three ways, therefore,—the analytic, the comparative, and ...
— The Doctrine of Evolution - Its Basis and Its Scope • Henry Edward Crampton

... Imperial Chancellor with a laugh. "And especially if we can carry out Professor Hoheisel's plan and create a pestilence. It must be tried in Russia first, and then in England," Bethmann-Hollweg went on. "The bacteria of anthrax, glanders, and bubonic plague must be sown in various parts of Russia, Gregory. Before you leave Berlin the plan will be ...
— The Minister of Evil - The Secret History of Rasputin's Betrayal of Russia • William Le Queux

... supply is innocence and not repentance; but if you cannot get pristine innocence, you can, at least, secure works meet for repentance and make the water safe, by filtering through either a Pasteur or a Berkefeld filter—either of those filters will take out bacteria, while no other filters that I know of will or by various chemical disinfectants, not any of them very satisfactory—or, best of all, by boiling, which will surely ...
— Camping For Boys • H.W. Gibson

... responsible for this rapid spread of disease are the lowered vitality of the animal, due to breathing the vitiated air, and the greater opportunity for infection, because of the comparatively large number of bacteria present ...
— Common Diseases of Farm Animals • R. A. Craig, D. V. M.

... thousand and one reflex functional derangements of the system as well. The inflamed surface of the intestinal canal (proctitis) inhibits the passage of feces. Absorbent glands begin to act on the retained sewage, and the whole system becomes more or less infected with poisonous bacteria. Various organs (especially the feeblest) endeavor to perform vicarious defecation, and the patient, the friends, and even the physician are deceived by such vicarious performance into thinking and treating it as a local ailment. I cannot, accordingly, insist too ...
— Intestinal Ills • Alcinous Burton Jamison

... trial, and Jaggers proved his case se offendendo—argal: it was shown by the defendant's books that His Bacteria had been on the pay-roll and his name had been stricken off without suggestion, request, cause, reason ...
— Love, Life & Work • Elbert Hubbard

... and fowls; proteins, starches, fats and vitamines in delicious form. It relates to the fact that tree foods come largely out of the sub-soil without apparent diminution of fertility of the ground. The tree allows top-soil bacteria and surface annual plants to manufacture plant food materials and then deep roots take these materials to the leaves for elaboration ...
— Northern Nut Growers Association Report of the Proceedings at the Fifteenth Annual Meeting • Various

... organic matter in the soil is composed of litter, leaves and animal ingredients that have decayed under the influence of bacteria. The more vegetable matter in the humus, the darker the soil; and therefore a good soil such as one finds on the upper surface of a well-tilled farm has quite a dark color. When, however, a soil contains an unusual quantity of humus, it is known as "muck," and when there is still more ...
— Studies of Trees • Jacob Joshua Levison

... the number was generally plentiful, there was no attempt made to give separate drinking-cups of any kind to each individual at the table. Blissfully ignorant of the existence or presence of microbes, germs, and bacteria, our sturdy and unsqueamish forbears drank contentedly in succession from a single vessel, which was passed from hand to hand, and lip to lip, around the board. Even when tumbler-shaped glasses were seen in many houses,—flip-glasses, they were called,—they were of communal ...
— Home Life in Colonial Days • Alice Morse Earle

... burned him. All the Theosophists aver is that each phase of matter has living things suited to it, and that all the universe is pulsing with life. 'Superstition!' shriek the bigoted. It is no more superstition than the belief in Bacteria, or in any other living thing invisible to the ordinary human eye. 'Spirit' is a misleading word, for, historically, it connotes immateriality and a supernatural kind of existence, and the Theosophist believes neither in the one nor the other. With him all living things act in ...
— Annie Besant - An Autobiography • Annie Besant

... that while the patient is relatively immune to the bacteria he himself harbors, the implantation of different strains of perhaps the same type of organisms may prove virulent to him. Furthermore the transference of lues, tuberculosis, diphtheria, pneumonia, erysipelas and other infective diseases would be inevitable ...
— Bronchoscopy and Esophagoscopy - A Manual of Peroral Endoscopy and Laryngeal Surgery • Chevalier Jackson

... working under a Heckscher Foundation grant studying just how antiseptic solutions destroy bacteria. It has always been held that some chemical change went on, but this theory they disproved. It is a process of absorption. If enough of the chemical adheres to the living bacterium, the living protoplasm thickens and irreversibly coagulates. It resembles a boiling without heat. I ...
— Poisoned Air • Sterner St. Paul Meek

... been keeping swarms of those very same bacteria under close observation for Sebastian for seven weeks past? Why, I know them as well as I know me ...
— Hilda Wade - A Woman With Tenacity Of Purpose • Grant Allen

... which we gave the sandy soil may be dealt out to the lime soil. Lime is a pretty good substance to have in soil. Lime is a kind of fertilizer in itself; it's a soil sweetener; it helps to put plant food in shape for use, and causes desirable bacteria to grow. This sounds a bit staggering but all of these things I am going to talk over with you. So just at present forget it, Albert, if it ...
— The Library of Work and Play: Gardening and Farming. • Ellen Eddy Shaw

... Schreiber's room, and how long the sword had been in it; and allowing that there is no porosity in tempered steel, still, the black velvet casing of the handle might have absorbed a considerable amount of Schreiberian bacteria, bacilli, or whatever it is that physiologists assert to be so nasty and so ubiquitous, and so set on finding out our weak places and hitting us there, as swordfish ...
— In Troubadour-Land - A Ramble in Provence and Languedoc • S. Baring-Gould

... a vegetation which is green near the surface, becoming darker and darker, even turning to a dark red and brassy yellow as it gets further from the light. In this oceanic paradise of nutritive and luminous waters charged with bacteria and microscopic nourishment, life is developed in exuberance. In spite of the continual traps of the fishermen, the marine herds keep themselves intact because of ...
— Mare Nostrum (Our Sea) - A Novel • Vicente Blasco Ibanez

... Bacteria flourish freely in faeces, and though it is doubtful whether the "Auto-intoxication" so freely ascribed to them, is supported by facts, it cannot be doubted that, whatever the precise mechanism by which ...
— Epilepsy, Hysteria, and Neurasthenia • Isaac G. Briggs

... of life tells us that "small annoyances are the seeds of disease. We cannot afford to entertain them. They are the bacteria,—the germs that make serious disturbance in the system, and prepare the way for all derangements. They furnish the mental conditions which are manifested later in the blood, the tissues, and the organs, under ...
— The Girl Wanted • Nixon Waterman

... abortive. Some relief is always obtained by inhalations, and theoretically, an acute specific bronchitis should be successfully treated by inhalation of antiseptic and soothing remedies. In practice, however, it is found that the strength cannot be sufficiently strong to destroy the bacteria in the bronchial tubes. However, much relief is obtained from the use of steam atomizers filled with an aqueous solution of compound tincture of benzoin, creosote or guaiacol. A still more practicable means of introducing volatile ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 - "Brescia" to "Bulgaria" • Various

... was not a normal inhabitant of human tissues. At any rate there was a virus—and he mutated it rather than the bacteria. Actually, it was simple enough, relatively speaking, since a virus is infinitely simpler in structure than a bacterium, and hence much easier to modify with ionizing radiation. So he didn't produce an antigen—he produced a disease instead. ...
— Pandemic • Jesse Franklin Bone

... any overruling Providence in human affairs; that all virtuous actions have selfish motives; and that a scientific selfishness, with proper telegraphic communications, and perfect knowledge of all the species of Bacteria, will entirely secure the future well-being of the upper classes of society, and the dutiful resignation of ...
— Our Fathers Have Told Us - Part I. The Bible of Amiens • John Ruskin

... to the universe thus seem to remain relations to an essentially foreign power, which cares for our ideals as the stormy sea cares for the boat, and as the bacteria care for the human organism upon which they prey. If we ourselves, as products of nature, are sufficiently strong mechanisms, we may be able to win, while life lasts, many ideal goods. But just so, if ...
— English Prose - A Series of Related Essays for the Discussion and Practice • Frederick William Roe (edit. and select.)

... warm water or warm boric acid solution. When the nipples are cracked, the infant's lips should also before nursing be carefully wiped out with boric acid solution. For the baby's mouth contains bacteria which while harmless in themselves may if they get into the cracks of the nipple set up an inflammation of the breast or "mastitis" and cause an abscess. If the cracks are excruciatingly painful, as they sometimes are, it is necessary to give ...
— Woman - Her Sex and Love Life • William J. Robinson

... be a good opportunity to speak of bacteria and cultures. I shall do nothing of the sort. On the hazy borderland of the visible and the invisible, the microscope inspires me with suspicion. It so easily replaces the eye of reality by the eye of imagination; it is so ...
— The Life of the Fly - With Which are Interspersed Some Chapters of Autobiography • J. Henri Fabre

... pity that the sun, that great destroyer of bacteria, cannot shine into our closets; but until the new architect comes to our rescue with a window, all we can do to sweeten them is to remove the clothing and air by leaving doors and adjacent windows open for a couple of hours. An annual disinfecting ...
— The Complete Home • Various

... spots in her mouth. I had heard somewhere that there is a phosphorescence appearing during decay of organic substances which once gave rise to the ancient superstition of "corpse lights" and the will-o'-the-wisp. It was really due, I knew, to living bacteria. But there surely had been no time for such micro-organisms to develop, even in the almost tropic heat of the Novella. Could she have been poisoned by these phosphorescent bacilli? What was it—a strange new mouth- ...
— The Dream Doctor • Arthur B. Reeve

... believed to be of vegetable nature. Under the general name of bacteria, there are multitudes of micro-organisms having pathogenic powers, each giving rise to some definite specific disease, and certain associations of different bacteria causing particular morbid conditions. Generations ago physicians had a glimmering of what we now term the germ theory of disease, as was shown by their use of such expressions as materies morbi and morbid poisons. Even the definite relationship of special microscopic ...
— Beacon Lights of History, Volume XIV • John Lord

... individual Physical Ego seems to be a Micro-Cosmos, imaging the Universe, the Macro-Cosmos. As the phagocytes, the policemen of the blood, flock to a breach in the human body to overcome any invasion of the enemy, whether poisons or bacteria, which would otherwise detract from that progress of cell formation upon which the scheme of human life depends, so do the true lovers of the Divine meet, by active resistance, any attempt of the enemies of the Good, Beautiful ...
— Science and the Infinite - or Through a Window in the Blank Wall • Sydney T. Klein

... dandiprat[obs3]; doll, puppet; Tom Thumb, Hop-o'-my- thumb[obs3]; manikin, mannikin; homunculus, dapperling[obs3], cock-sparrow. animalcule, monad, mite, insect, emmet[obs3], fly, midge, gnat, shrimp, minnow, worm, maggot, entozoon[obs3]; bacteria; infusoria[obs3]; microzoa[Microbiol]; phytozoaria[obs3]; microbe; grub; tit, tomtit, runt, mouse, small fry; millet seed, mustard seed; barleycorn; pebble, grain of sand; molehill, button, bubble. point; atom &c. (small quantity) 32; fragment &c. (small part) 51; powder &c. 330; point ...
— Roget's Thesaurus

... examining them under the microscope; preparing vaccines. He went home to the brown velvety, leathery study in his Welbeck Street flat to write out his notes, or read some monograph on inoculation; or he dined with a colleague and talked to him about bacteria. ...
— Anne Severn and the Fieldings • May Sinclair

... which is the cause of fever is a specific one, either in the form of bacteria (living organisms), as in glanders, tuberculosis, influenza, septicemia, etc., or in the form of a foreign element, as in rheumatism, gout, hemaglobinuria, and other so-called diseases of nutrition, we employ remedies which have been found to have a direct specific action on them. Among ...
— Special Report on Diseases of the Horse • United States Department of Agriculture

... common and important causes of poorly filled nuts. Every species and variety of tree nut suffers from at least one disease or insect pest that damages the leaves and hence limits or curtails the amount of elaborated food materials they can make. In most cases the fungi or bacteria causing foliage diseases infect the leaves in early spring at the time they are unfolding and growing in size, although the infection may not be noticeable until later. These infected areas, even though they are small and not numerous enough to cause the leaf to fall, seriously impair ...
— Northern Nut Growers Association Incorporated 39th Annual Report - at Norris, Tenn. September 13-15 1948 • Various

... professors give them lectures upon the microscopic study of cellular tissues, upon the segregation of developing nerve structure, upon spectrum analysis, upon the evolution of the colour sense, and upon the cultivation of bacteria in glycerine infusions. And they are none the less modest and knightly in manner for all their modern knowledge, nor the less reverentially devoted to their dear old fathers and mothers whose ideas were shaped in the ...
— Glimpses of an Unfamiliar Japan - First Series • Lafcadio Hearn

... of life revealed by the microscope. To one of the men these naturally appear conterminous with the ultimate particles of matter; there is but a step from the atom to the organism. The other discerns numberless organic gradations between both. Compared with his atoms, the smallest vibrios and bacteria of the microscopic field are as behemoth and leviathan. The law of relativity may to some extent explain the different attitudes of two such persons with regard to the question of spontaneous generation. An amount of evidence which ...
— Fragments of science, V. 1-2 • John Tyndall

... dim eyes to see clearly. There is no ability in the glasses to see; they would be of no use on blind eyes. I see, these spectacles cannot see. Enlarge and so place these lenses that I can see bacteria, or the mountains of the moon, yet this microscope or this telescope has no more life nor sight than this single lens. I, with it, see the minute creation or examine the distant planet. It is but ...
— Usury - A Scriptural, Ethical and Economic View • Calvin Elliott

... be advisable to apply from one thousand five hundred to two thousand pounds of fresh burned lime or its equivalent, in order to correct any natural soil acidity, to hasten the decay of organic material, to increase the activity of the soil bacteria, and to improve the physical condition of the soil by floculating the soil particles and helping to break up lumpy soils. Lime also helps to liberate plant food by recombining it with certain other elements in the soil. All these effects make ...
— Apple Growing • M. C. Burritt

... cruelties. Simply because they are hardened by—by bestiality, and poisoned by the juices of meat slain in anger and fermented drinks—fancy! drinks that have been swarmed in by thousands and thousands of horrible little bacteria!" ...
— Ann Veronica • H. G. Wells

... compounds of the human aggregate are known to physiology as microbes, bacteria, and bacilli; but amongst them our microscopes discover only comparative monsters, "those that are to the ordinary infinitesimal organisms as the elephant is ...
— Reincarnation - A Study in Human Evolution • Th. Pascal

... electromagnetic energy emitted by the sun and naturally filtered in the upper atmosphere by the ozone layer; UV radiation can be harmful to living organisms and has been linked to increasing rates of skin cancer in humans. water-born diseases - those in which the bacteria survive in, and is transmitted through, water; always a serious threat in areas ...
— The 2003 CIA World Factbook • United States. Central Intelligence Agency

... hand, Roger sailed along as smoothly as a jet boat. His grasp of the fundamentals in his field made it easy for him to fill the study spools with important information. Jeff, too, found it easy to explain the growth of plants, the function of bacteria, the formation of planet ...
— The Space Pioneers • Carey Rockwell

... with experiments in composting, leads to the following conclusion: During the period of decomposition of the sawdust (hastened, no doubt, by the lime), the bacteria of decomposition fed so heavily on the nitrates in the soil that the plants were starved. When the material had reached the condition of humus, the bacterial activity decreased to the point ...
— Northern Nut Growers Association Thirty-Fourth Annual Report 1943 • Various

... by Bacteria.—Though this subject is not of any practical interest in the preparation of fatty acids for soap-making, it may be mentioned, in passing, that some bacteria readily hydrolyse fats. Schriber (Arch. f. Hyg., 41, 328-347) has shown that in the presence of air many bacteria promote hydrolysis, under ...
— The Handbook of Soap Manufacture • W. H. Simmons

... convinced of the importance of scrupulous cleanliness and the usefulness of deodorants in the operating room; and when, through Pasteur's researches, he realised that the formation of PUS was due to bacteria, he proceeded to develop his antiseptic surgical methods. The immediate success of the new treatment led to its general adoption, with results of such beneficence as to make it rank as one of the great discoveries ...
— The Harvard Classics Volume 38 - Scientific Papers (Physiology, Medicine, Surgery, Geology) • Various

... examination made in the laboratory of the Battle Creek Sanitarium of fresh meats purchased at seven different markets, all in apparently fresh condition, showed the following number of bacteria per ounce: ...
— Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting • Northern Nut Growers Association

... on Wednesday decided to accept the free use of Professor W. B. Bottomley's patients for the conversion of raw peat by means of bacteria." ...
— Punch, or the London Charivari, Vol. 150, March 15, 1916 • Various

... would be no excuse, therefore, for sketching, even in brief outline, the history of the various attempts that have been made, from Brown-Sequard, with his Elixir, to Metchnikoff, with his benevolent bacteria of the intestinal tract, to extract from Life its secret of human longevity. It has been a long quest, and, in the main, fruitless, though it might be said in fairness that Brown-Sequard's method of using the expressed testicular juice ...
— The Goat-gland Transplantation • Sydney B. Flower

... animalcule to man, sympathizing and uniting, as members of one great race, in our adoration of the sun. And in doing this we men are for the moment close to and in happy fellowship with our beautiful, though speechless, relatives who also live. Even the destructive bacteria which are killed by the sun probably enjoy an exquisite shudder in the process which more than compensates them ...
— More Science From an Easy Chair • Sir E. Ray (Edwin Ray) Lankester

... for almost all decay of wood. So far as known, all decay is produced by living organisms, either fungi or bacteria. Some species attack living trees, sometimes killing them, or making them hollow, or in the case of pecky cypress and incense cedar filling the wood with galleries like those of boring insects. A much larger variety work only in ...
— The Mechanical Properties of Wood • Samuel J. Record

... errors which it is important to correct. No really well informed person has believed for a long time that carbolic alcohol will destroy the cholera poison; but many fully and correctly believe that real germicides will. It has been known since 1872 that microbes, bacilli, and bacteria could live in very strong solutions of carbolic alcohol, and that the dilute mineral acids, tannin, chloride, corrosive sublimate, ...
— Scientific American Supplement, No. 483, April 4, 1885 • Various

... that I had time and space to describe some of the beautiful bacteria and gigantic worms that formerly inhabited the earth. Such an aggregation of actual, living Silurian monsters, any one of which would make a man a fortune to-day, if it could be kept on ice and exhibited for one season only. You could ...
— Remarks • Bill Nye

... absolutely sterile, that is, free from the presence of germs; on the other hand, cow's milk is anything but sterile—the moment it leaves the udder it begins to accumulate numerous bacteria, all of which multiply very rapidly. Cow's milk is generally twenty-four to forty-eight hours old before it can possibly reach the baby. It is just as important to keep in mind these facts of milk contamination—dirt, filth, flies, and bacteria—as it is to plan for the modification of cow's ...
— The Mother and Her Child • William S. Sadler

... vegetarian and would not wear the skin of slaughtered animals), was also in the courtyard waiting for the gang to start. He stood by the porch and jotted down in his notebook a thought that had occurred to him. This was what he wrote: "If a bacteria watched and examined a human nail it would pronounce it inorganic matter, and thus we, examining our globe and watching its crust, pronounce it to ...
— Resurrection • Count Leo Tolstoy

... fertilization, I have made no check against higher rates of application. In fact I am against the use of large amounts of mineral guanos since I know certain tender shrubs and plants are injured by their use and some soil bacteria and animal life are also harmfully affected, according to reports ...
— Northern Nut Growers Association Incorporated 39th Annual Report - at Norris, Tenn. September 13-15 1948 • Various

... clover and other legumes have power, through the bacteria which inhabit their root tubercles, to feed upon the inexhaustible supply of atmospheric nitrogen which freely enters the pores of the soil; but who knows how much nitrogen is taken from the air by a given crop of clover? Not one ...
— The Farm That Won't Wear Out • Cyril G. Hopkins

... the case brought Pasteur to a large and general investigation of bacteria. The bacterium may be defined as a microscopic vegetable organism; or it may be called an animal organism; for in the deep-down life of germs there is not much difference between vegetable and animal—perhaps no difference at all. The bacterium ...
— Notable Events of the Nineteenth Century - Great Deeds of Men and Nations and the Progress of the World • Various

... call microbes. Bacteria. Fungi. Viruses. Terrible devouring wild creatures everywhere. You were a howling wilderness. Of course, we have cleaned those things up now. Today you are civilized—a fine, healthy individual of your species—and our revered Fatherland. ...
— Inside John Barth • William W. Stuart

... early centuries of the Atomic Era, he knew, there had been great wars, the stories of which had survived even to the Hundredth Century. Among the weapons that had been used, there had been artificial plagues and epidemics, caused by new types of bacteria developed in laboratories, against which the victims had possessed no protection. Those germs and viruses had persisted for centuries, and gradually had lost their power to harm mankind. Suppose, now, that he had brought some ...
— Flight From Tomorrow • Henry Beam Piper

... forming suburban footpaths or cinder footwalks, and for the manufacture of mortar. The last is a very general, and in many places profitable, mode of disposal. An entirely new outlet has also arisen for the disposal of good well-vitrified destructor clinker in connexion with the construction of bacteria beds for sewage disposal, and in many districts its value has, by this means, ...
— Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 - "Destructors" to "Diameter" • Various

... mentioned are in accordance with the microscopical observations made by Koch, who states that the micro-organisms in the soils he has investigated diminish rapidly in number with an increasing depth; and that at a depth of scarcely 1 meter the soil is almost entirely free from bacteria. ...
— Scientific American Supplement, Vol. XIX, No. 470, Jan. 3, 1885 • Various

... to the attachment of the microscope. After overcoming tremendous difficulties, the scientists succeeded in developing a microscope kinematography which multiplies the dimensions a hundred thousand times. We may see on the screen the fight of the bacteria with the microscopically small blood corpuscles in the blood stream of a diseased animal. Yes, by the miracles of the camera we may trace the life of nature even in forms which no human observation really finds in the outer world. Out there it may take weeks ...
— The Photoplay - A Psychological Study • Hugo Muensterberg

... Galvani on the convulsive movements of frogs' legs in contact with iron and copper, of Darwin on the adaptation of woodpeckers, of tree-frogs, and of seeds to their surroundings, of Kirchhoff on certain lines which occur in the spectrum of sunlight, of other investigators on the life-history of bacteria—these and kindred observations have not only revolutionized our conception of the universe, but they have revolutionized or are revolutionizing, our practical life, our means of transit, our social conduct, our ...
— Human Traits and their Social Significance • Irwin Edman

... Bacillary White Diarrhoea—Cause: Bacteria. The disease may be inherited from hens having infected ovaries, or pass from chick to chick. Symptoms: Chicks have diarrhoea, usually white or creamy. Sleepy, chilly, thin, rough plumage, drooping wings. ...
— Pratt's Practical Pointers on the Care of Livestock and Poultry • Pratt Food Co.

... water-purifying agent (either water-purifying tablets, or 2 percent tincture of iodine, or a liquid chlorine household bleach) should also be stored, in case you need to purify any cloudy or "suspicious" water that may contain bacteria. ...
— In Time Of Emergency - A Citizen's Handbook On Nuclear Attack, Natural Disasters (1968) • Department of Defense

... elevators save the climbing of stairs. The inside arrangement of the houses—floorings, garnishing of the walls, furnitures—will be contrived with an eye to the facility of cleaning and to the prevention of the gathering of dust and bacteria. Dust, sweepings and offal of all sorts will be carried by pipes out of the houses as water, that has been used, is carried off to-day. In the United States, in many a European city—Zurich, for instance—there are to-day tenements, ...
— Woman under socialism • August Bebel

... in which we as a society must rise up united and express our intolerance. The most obvious now is drugs. And when that first cocaine was smuggled in on a ship, it may as well have been a deadly bacteria, so much has it hurt the body, the soul of our country. And there is much to be done and to be said, but take my word for it: ...
— U.S. Presidential Inaugural Addresses • Various

... position of city chemist. There was not a microbe she did not know to its undoing, or a deadly poison she could not bring from its hiding place. The town had suffered from graft, and the mayor, thinking a woman might scare the thieves as well as the bacteria, appointed the chemist who believed in herself. And she is just one of many who have been ...
— Mobilizing Woman-Power • Harriot Stanton Blatch

... are obliged to," said the Bacteriologist. "Here, for instance—" He walked across the room and took up one of several sealed tubes. "Here is the living thing. This is a cultivation of the actual living disease bacteria." He hesitated, "Bottled ...
— The Stolen Bacillus and Other Incidents • H. G. (Herbert George) Wells

... leak out, or for the fresh air to come in. After dinner the gentlemen adjourn to the library to enjoy the sweet perfumes of smoking for an hour or so with closed windows. What a picture would be presented if the bacteria in the air could be sketched, enlarged, and thrown on a screen, or better still shown in a cinematograph, but apparently gentlemen do not mind anything so long as they can inhale ...
— America Through the Spectacles of an Oriental Diplomat • Wu Tingfang

... writing I may perhaps take the opportunity to mention that apartments here are both good and reasonable, and the bathing first-rate. The same analyst incidentally discovered that the air at Chorkstone is largely laden with poisonous bacteria. ...
— Punch, or the London Charivari, Vol. 99, July 5, 1890 • Various

... constituents of Value as nutrients Structure of fruits The jelly-producing principle Digestibility of fruits Unripe fruits Table of fruit analysis Ripe fruit and digestive disorders Over-ripe and decayed fruits Dangerous bacteria on unwashed fruit Free use of fruit lessens desire for alcoholic stimulants Beneficial use of fruits in disease Apples The pear The quince The peach The plum The prune The apricot The cherry The olive; its cultivation and preservation The date, ...
— Science in the Kitchen. • Mrs. E. E. Kellogg

... proportions by weight to form chemical compounds. As conditions change, many of these compounds undergo change, giving up one element, or group of elements, and uniting with another element or group from a different compound. Heat, moisture and the action of bacteria are factors in promoting the changes. There is no more restless activity than may be found among the elements ...
— Right Use of Lime in Soil Improvement • Alva Agee

... a good culture medium and the environment is ideal for multiplication of bacteria; consequently, the grave disturbances which may attend the introduction of pathogenic organisms into a synovial cavity as the result of a puncture wound are not to be forgotten. The veterinarian is in no position to estimate the virulency of organisms so introduced; ...
— Lameness of the Horse - Veterinary Practitioners' Series, No. 1 • John Victor Lacroix

... sixty water carts, each of which holds about 110 gallons. We attempted to get samples from all of these in turn, to see whether the water had been disinfected. As all the sources of water supply in Flanders, with few exceptions, contain large numbers of bacteria, and as a properly chlorinated water contains very few bacteria, it is easy to tell from a couple of simple tests whether or not the water in the carts ...
— On the Fringe of the Great Fight • George G. Nasmith

... not decay is that decay usually is a slow kind of oxidation (burning). When it is not this, it is the action of bacteria. But bacteria themselves could not live if they had no oxygen; so they could not make ...
— Common Science • Carleton W. Washburne

... of living organisms that we can best understand the specific difference between non-living and living matter. It is true that a crystal can grow, but it will do so only in a supersaturated solution of its own substance. Just the reverse is true for living organisms. In order to make bacteria or the cells of our body grow, solutions of the split products of the substances composing them and not the substances themselves must be available to the cells; second, these solutions must not be supersaturated, ...
— Manhood of Humanity. • Alfred Korzybski

... alighted on the patient's back, with its dark blue wings covered with silvery scales, widely expanded. The patient was not anemic and appeared to be in the best of health. None of the glands were affected. According to Thomson there is little doubt that this disease is caused by non-pyogenic bacteria gaining access to the sweat-glands. The irritation produced by their presence gives rise to ...
— Anomalies and Curiosities of Medicine • George M. Gould

... in my mind the creatures gruesome and terrible which surrounded the Chinaman—the scorpions, the bacteria, the noxious things which were the weapons wherewith he visited death upon whomsoever opposed the establishment of a potential Yellow Empire. But no one of them could account for the imprints upon the dust ...
— The Insidious Dr. Fu-Manchu • Sax Rohmer

... Bacteria and Clovers.—The fact has long been known, even as long ago as the days of Pliny, and probably much before those days, that clover, when grown in the rotation, had the power to bring fertility ...
— Clovers and How to Grow Them • Thomas Shaw

... land for the garden should be manured at the rate of twenty-five large wagon loads to the acre. If you can get a suitable plot that has been in red clover, alfalfa, soy beans, or cowpeas for a number of years, so much the better. These plants have on their roots nitrogen-fixing bacteria, which draw nitrogen from the air. Nitrogen is the great meat-maker and forces a prolonged and rapid ...
— Three Acres and Liberty • Bolton Hall

... whereas civilians are usually innoculated about once every three years, if it is desired that they should be kept immune from typhoid. He says they use with best results the system of Dr. Vidal, of Paris, employing a serum in which the bacteria have been destroyed by heat rather than by boiling. They find the effect of this serum much better than that of others. He says that tuberculosis does, of course, exist, because tuberculosis exists among ...
— A Journey Through France in War Time • Joseph G. Butler, Jr.

... that radiant energy kills bacteria. The early experiments were made with sunlight and the destruction of micro-organisms is generally attributed to the so-called chemical rays, namely, the blue, violet, and ultra-violet rays. It appears in general that the middle ultra-violet ...
— Artificial Light - Its Influence upon Civilization • M. Luckiesh

... communication, directly or indirectly, between the broken ends of the bone and the surface of the skin. In a compound or open fracture, on the other hand, such a communication exists, and, by furnishing a means of entrance for bacteria, may add materially to the gravity ...
— Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. • Alexander Miles

... movement, and the air was then distributed by pipes to every part of the hotel. He told me also that the hospitals of the city were supplied in the same manner; and the result had been, be said, to diminish the mortality of the sick one-half; for the air so brought to them was perfectly free from bacteria and full of all life-giving properties. A company had been organized to supply the houses of the rich with his cold, pure air for so much a thousand feet, as long ago illuminating ...
— Caesar's Column • Ignatius Donnelly

... and produce skin cancers. As early as 1840, arctic snow blindness was attributed to solar ultraviolet; and we have since found that intense ultraviolet radiation can inhibit photosynthesis in plants, stunt plant growth, damage bacteria, fungi, higher plants, insects and annuals, ...
— Worldwide Effects of Nuclear War: Some Perspectives • United States Arms Control and Disarmament Agency

... don't know—vitality, I guess, when I walk into, say, an automated factory. All that machinery and all that electronic gear is like a single cell in a living organism—an organism that's growing every day, multiplying like bacteria. And it's always sick, and we're the doctors. That's job security. We're riding the wave of the future. I don't think they'll make a ...
— New Apples in the Garden • Kris Ottman Neville

... Importance of nitrogen, phosphoric acid, and potash in a soil 88 Chemical condition of fertilising ingredients in soils 89 Amount of soluble fertilising ingredients in soils 90 Value of chemical analysis of soils 90 III. Biological properties of a soil 92 Bacteria of the soil 92 ...
— Manures and the principles of manuring • Charles Morton Aikman

... dried so that they may be preserved for use. Bacteria and moulds, which cause the decay of fruits, need moisture for development and growth. If the moisture is evaporated, the fruits will keep almost indefinitely. Fruits and vegetables can be easily and inexpensively dried. When dried fruits are to be used for the table, they ...
— Ontario Teachers' Manuals: Household Science in Rural Schools • Ministry of Education Ontario

... biology. It has made it possible to determine the difference between healthy and diseased tissue; and not many years ago the microscope revealed the fact that the bodies of animals and men are the home of excessively small organisms called bacteria, some of which, through the poisonous substances they give out, cause disease. The modern treatment of many maladies, such as consumption, diphtheria, scarlet fever, and typhoid, is based upon this momentous discovery. The success of surgical operations has also been rendered far more secure ...
— An Introduction to the History of Western Europe • James Harvey Robinson

... of food serves three important purposes. It renders the food more digestible, relieving the organs of unnecessary work; it destroys bacteria that may be present in the food, diminishing the likelihood of introducing disease germs into the body; and it makes the food more palatable, thereby supplying a necessary stimulus to the digestive glands. While the methods employed in the preparation of the different foods ...
— Physiology and Hygiene for Secondary Schools • Francis M. Walters, A.M.

... composed of the same amount of the silicate with six drops of dilute phosphoric acid and six grains of ammonium phosphate. He filled sterilised tubes, sealed them hermetically, and heated them to 125 or 145 degrees, Centigrade, although 60 or 70 degrees would have killed any bacteria ...
— The Poisoned Pen • Arthur B. Reeve

... tannins, resins, albuminous materials, etc., which are deposited in the cell walls of the fibres of green wood, and which prevent rapid evaporation of the water, undergo changes when under water, probably due to the action of bacteria which live without air, and in the course of time many of these substances are leached out of the wood. The cells thereby become more and more permeable to water, and when the wood is finally brought into the air the water escapes very rapidly and very evenly. Herzenstein's statement that ...
— Seasoning of Wood • Joseph B. Wagner

... often receive, and the soil and atmospheric conditions, render the plants abnormally susceptible to the attacks of fungi and insect pests. Perhaps the most virulent forms of disease with which the Tomato-grower is troubled arise from the attacks of parasitic fungi and bacteria, among which the following are most frequently ...
— The Culture of Vegetables and Flowers From Seeds and Roots, 16th Edition • Sutton and Sons

... proceed with the ceremony of marriage. (To THE BRIDEGROOM): John, wilt thou have this woman to be thy wedded wife, to live together in the holy state of eugenic matrimony? Wilt thou love her, comfort her, protect her from all protozoa and bacteria, and keep her in good health; and, forsaking all other, keep thee unto her only, so long as ye both shall live? If so, ...
— A Book of Burlesques • H. L. Mencken

... lot of talk these days about secret weapons. If it's not a new wrinkle in nuclear fission, it's a gun to shoot around corners and down winding staircases. Or maybe a nice new strain of bacteria guaranteed to give you radio-active dandruff. Our own suggestion is to pipe a few of our television commercials into Russia and bore the ...
— Belly Laugh • Gordon Randall Garrett

... known to be the foe of bacteria, the hope has been expressed that the new rays might be a means of destroying the microbes of consumption and other diseases in the living body. Delepine, Park, and others have investigated this with a good deal of care. A dozen different varieties of bacteria have been ...
— McClure's Magazine, Vol. VI., No. 6, May, 1896 • Various

... air-tight cylindrical or oblong container placed below ground, in which raw sewage purifies itself by the inherent bacteria. The first stage takes place within the tank and the second in the porous pipes that constitute the disposal fields. From the moment household wastes enter the tank, fermentation begins its work of reducing them from noisome sewage to harmless water. Both ...
— If You're Going to Live in the Country • Thomas H. Ormsbee and Richmond Huntley

... attached and run by the same motor. The operation of an ordinary snap switch will supply energy to electric water-heaters attached to the kitchen boiler or to the faucet. The instantaneous water heater also purifies the water by killing the bacteria contained ...
— Marvels of Modern Science • Paul Severing

... these microscopic organisms are of vital importance. Many diseases are now known, and others suspected, to be entirely due to Bacteria and other minute forms of life (Microbes), which multiply incredibly, and either destroy their victims, or after a while diminish again in numbers. We live indeed in a cloud of Bacteria. At the observatory of Montsouris at ...
— The Beauties of Nature - and the Wonders of the World We Live In • Sir John Lubbock

... infant mortality. It is interesting because, as he pertinently remarks, we are all born in the same way but we all die in different ways. Mr M. Mulligan (Hyg. et Eug. Doc.) blames the sanitary conditions in which our greylunged citizens contract adenoids, pulmonary complaints etc. by inhaling the bacteria which lurk in dust. These factors, he alleged, and the revolting spectacles offered by our streets, hideous publicity posters, religious ministers of all denominations, mutilated soldiers and sailors, exposed scorbutic cardrivers, the suspended carcases of dead animals, ...
— Ulysses • James Joyce

... follows that a book on hygiene must deal, not only with the question of individual living, but also with those broader questions having to do with the cause and spread of disease, with the transmission of bacteria from one community to another, and with those natural influences which, more or less under the control of man, may affect a large area if their natural destructive tendencies are allowed ...
— Rural Hygiene • Henry N. Ogden

... to "keep steadily in mind that each organic being is striving to increase in geometrical ratio." If this tendency were to continue unchecked, the progeny of living beings would soon be unable to find standing room. Indeed, the very bacteria would quickly convert every vestige of organic matter on earth into their own substance. For has not Cohn estimated that the offspring of a single bacterium, at its ordinary rate of increase under favorable conditions, would in three days amount to 4,772 billions of individuals with an aggregate ...
— At the Deathbed of Darwinism - A Series of Papers • Eberhard Dennert

... care should be exercised not to expose the food to the air during or after its preparation. It should be remembered that the food of a child must be nutritious, and that in this food, especially when at the proper temperature for the infant, bacteria from the air will flourish wonderfully fast, and therefore the food should not ...
— The Handy Cyclopedia of Things Worth Knowing - A Manual of Ready Reference • Joseph Triemens

... which it is the specific—has been ascribed to a decomposition effected by the carbonic acid which is given off from these ulcers. This releases chloric acid, which, being an extremely powerful antiseptic, kills the bacteria to which ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 - "Chitral" to "Cincinnati" • Various

... have given up everything but that. The paraffin has a number of special advantages. In the first place, it seals any wound against infection from bacteria or fungi. It prevents moisture from rain carrying bacteria into the wound. It prevents evaporation ...
— Northern Nut Growers Association Report of the Proceedings at the Eleventh Annual Meeting - Washington, D. C. October 7 AND 8, 1920 • Various

... and teeth; bathing; the ventilation of the home, and especially of sleeping-rooms; the effects of tobacco and cigarettes in checking growth and reducing efficiency; the more simple and obvious facts bearing on the relation of bacteria to the growth, preparation, and spoiling of foods; the means to be taken to prevent bacterial contagion of diseases,—these are some of the practical matters that every child should know as a result of his study ...
— New Ideals in Rural Schools • George Herbert Betts

... in the former case and by keeping your common schools efficient in the latter. But the essential evils of each system are—essential evils, and one has to suffer them and struggle against them, as one has to struggle perpetually with the pathogenic bacteria that infest the world. The theory of monarchy is, no doubt, inferior to the democratic theory in stimulus, but the latter fails in qualitative effect, much more than the former. There, the objector submits, lies the quintessence ...
— Mankind in the Making • H. G. Wells

... diagnostics, semeiology, semeiography, clinic, polyclinic, prognosis, contagion, infection, contagious, infectious, zoonosology, enantiopathy, loimography, loimology, quarantine, pathogene, germ, microbe, bacteria, bacillus, incubation. ...
— Putnam's Word Book • Louis A. Flemming

... "Critiques and Addresses," T.H. Huxley, F.R.S., p. 239. So much is this the case, that it is really superfluous, however interesting, to recall the experiments of Dr. Tyndall and others, which finally demonstrated that wherever primal animal forms, bacteria and other, "microbes," were produced in infusions of hay, turnip, &c., apparently boiled and sterilized and then hermetically sealed, there were really germs in the air enclosed in the vessel, or germs that in one form or another were not destroyed by the boiling or heating. Dr. Bastian's argument ...
— Creation and Its Records • B.H. Baden-Powell

... diseases of scarlatina, measles and chickenpox. Of some diseases, the virus is a bacillus or coccus, excessively minute fungi recognizable only under the microscope; but the bacteriologists are now beginning to speak of viruses so impalpable that they, unlike ordinary bacteria, can go through the pores of a clay filter, are filter-passers, that is are of ultra-microscopic dimensions. Some authorities conjecture that the virus of variola belongs to the group of filter-passers. The virus of smallpox, however, is very resistant and can be carried through ...
— Popular Science Monthly Volume 86

... of Organic Matter in Water" by A. Downes. The author considers that the mere presence of oxygen in contact with the organic matter has but little oxidizing action unless lowly organisms, as bacteria, etc. be simultaneously present. Sunlight has apparently considerable effect in promoting the oxidation of organic matter. The author quotes the following experiment: A sample of river water was filtered through paper. It required per 10,000 parts 0.236 ...
— Scientific American Supplement No. 275 • Various



Words linked to "Bacteria" :   Gram-negative, bioremediation, Gram-positive, immune response, microphage, probiotic flora, probiotic, superbug, acidophil, genus Calymmatobacterium, legionella, nitrobacterium, microorganism, gonococcus, immunologic response, rod, Calymmatobacterium, Francisella, acidophile, diplococcus, genus Francisella, probiotic bacterium, probiotic microflora, microbiology, eubacterium, Neisseria gonorrhoeae, immune reaction, micro-organism, bacteroid, resistance, Legionella pneumophilia, peritrichous



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