"Nervous tissue" Quotes from Famous Books
... developed it persists, as a rule, modified, but not lost. Nature's experiments are not in vain; her progress is very slow but sure. But hydra has also the promise of better things, traces of muscular and nervous tissue. There are still no compact muscles, like our own, much less ganglion or brain or nerve-centre of individuality. The tissues are diffuse, but they are the materials out of which the organs of higher animals will crystallize, so to speak. Notice also ... — The Whence and the Whither of Man • John Mason Tyler
... the causation of the 'radiation' symptoms, it is difficult to discriminate the effects of neighbouring parenchymatous haemorrhages from those of local vibratory concussion of the nervous tissue. The local character of the signs seems, however, to point to causation by molecular disturbance, resulting from the conduction of forcible mechanical vibration to the brain tissue rather than to upset in ... — Surgical Experiences in South Africa, 1899-1900 • George Henry Makins
... constitute but a small proportion of the entire mass of brain and nervous tissue of the body. In addition to these, there are not only the lower brain and the spinal cord and the countless ramifications of motor and sensory nerves throughout the body, but there are also separate nerve-centers or ganglia in every one of the visceral organs of the body. These ganglia have the power ... — Psychology and Achievement • Warren Hilton
... inquiries into the structure of the nervous system of animals converge towards the conclusion that the nerve fibres, which we have hitherto regarded as ultimate elements of nervous tissue, are not such, but are simply the visible aggregations of vastly more attenuated filaments, the diameter of which dwindles down to the limits of our present microscopic vision, greatly as these have been extended ... — Discourses - Biological and Geological Essays • Thomas H. Huxley |