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Valvular   Listen
adjective
Valvular  adj.  
1.
Of or pertaining to a valve or valves; specifically (Med.), of or pertaining to the valves of the heart; as, valvular disease.
2.
Containing valves; serving as a valve; opening by valves; valvate; as, a valvular capsule.






Collaborative International Dictionary of English 0.48








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"Valvular" Quotes from Famous Books



... Saccopteryx has i. 1/3 and the antibrachial membrane with a pouch opening on its upper surface; it contains several species from Central and South America. This sac is developed only in the male and in the female is rudimentary. In adult males a valvular longitudinal opening occupies the upper surface of the membrane leading into a small pouch, the interior of which is lined with a glandular membrane secreting an unctuous reddish substance with a strong ammoniacal odour. Allied genera ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 - "Chicago, University of" to "Chiton" • Various

... is to expand all fluids. The blood in the lungs must, therefore, expand; and if it expands, it must move; and if it moves, it must, from the organism of the parts, move to the left ventricle of the heart, into which the valvular system opens to give it a free passage—whereas the valves of the right close against it. "Eureka!" I mentally exclaimed; "I have found the primum mobile of the circulation of the blood." I had for years disbelieved that the heart's slight mechanical impulse was that cause. ...
— Theory of Circulation by Respiration - Synopsis of its Principles and History • Emma Willard

... of that year all the out-and-outs unanimously declared war to the knife agin the Government, whatever and wherever the Government might be. How many long and weary years have you waited, Charles, to be told what Zimmerwaldianism might be—a religious tendency, a political aspiration, a valvular disease of the appendix or something to do with motor-cars? Ah, but that is as nothing to the secrets I am going to let you into, to force you into, before I have ...
— Punch, or the London Charivari, Vol. 159, September 29th, 1920 • Various

... I had come home to dinner particularly tired after a long day. I had sat in an attic the greater part of the afternoon (a case of top story valvular trouble) and had had to sit in a cramped position which practically forbade sleep. I was feeling, therefore, none too well pleased, when a little while after dinner the bell rang and Simmons brought word to the library that there was a client in the consulting-room. ...
— Winsome Winnie and other New Nonsense Novels • Stephen Leacock

... envelope and line the organ are changed in quality, are thickened, rendered cartilaginous and even calcareous or bony. Then the valves, which are made up of folds of membrane, lose their suppleness, and what is called valvular disease is permanently established. The coats of the great blood-vessel leading from the heart, the aorto, share, not unfrequently, in the same changes of structure, so that the vessel loses its elasticity and its ...
— Grappling with the Monster • T. S. Arthur

... and partially ulcerated towards the root of the lung. In examining the heart after its removal from the body, it was found peculiarly large and flabby, its cavities considerably distended, especially the right auricle and ventricle, while the valvular structure seemed natural. The pericardium contained about 10 ounces of straw-coloured fluid. After examining the organ particularly, I could discover nothing abnormal, but the enlarged and softened state alluded to. The liver was large and highly congested with ...
— An Investigation into the Nature of Black Phthisis • Archibald Makellar

... the lungs, called the pulmonary artery, and one on the left side, which conveys the blood to the system in general, called the aorta. At the junction of each of these great vessels with its corresponding ventricle, is another valvular apparatus, consisting of three pouch-like valves, called the semilunar valves, from their resemblance, in shape, to a half-moon. Being placed on a level and meeting in the middle line, they entirely prevent the passage of any fluid which may be forced along the artery towards the ...
— The People's Common Sense Medical Adviser in Plain English • R. V. Pierce

... be found an illustration of the Diaphone (or valvular reed) used in the Hope-Jones organ at St. Paul's Cathedral, ...
— The Recent Revolution in Organ Building - Being an Account of Modern Developments • George Laing Miller

... by ossification and extradition of the maxillaris superioris, which must decompose the granular surfaces of the great infusorial ganglionic system, thus obstructing the action of the posterior varioloid arteries, and precipitating compound strangulated sorosis of the valvular tissues, and ending unavoidably in the dispersion and combustion of the marsupial fluxes and the consequent embrocation of the ...
— Innocents abroad • Mark Twain



Words linked to "Valvular" :   valvular incompetence



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