Principles of Human Physiology: With Their Chief Applications to Psychology, Pathology, Therapeutics, Hygiène, and Forensic Medicine |
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Common terms and phrases
action activity afferent nerves albumen alimentary amount animals appears arteries Asphyxia bile blood blood-vessels body capillaries carbonic acid cause cells centres Cerebellum Cerebrum character chyle circulation coagulation complete condition connected consciousness constitution contraction degree digestive direction disease effect Emotional entirely evidence excited excretion exertion exhaled existence experiments external fact fibres fibrin fluid functions ganglia ganglionic gastric gastric juice glands hepatic vein idea impressions increase inflammation influence intestinal irritation lacteals less liver lungs matter Medulla Oblongata membrane mental mind motor movements muscles muscular nerves Nervous System nutrition observed operation ordinary organ oxygen papillæ peculiar phenomena Physiological portion posterior present produced Prof proportion quantity red corpuscles reflex reflex action regard remarkable respiration respiratory secretion seems sensation sensory Spinal Cord stomach substance surface takes place temperature tion tissues trunk tube urea urine usually veins venous Vertebrata vessels whilst whole
Popular passages
Page 617 - The author continued for about three hours in a profound sleep, at least of the external senses, during which time he has the most vivid confidence, that he could not have composed less than from two to three hundred lines ; . if that indeed can be called composition in which all the images rose up before him as things, with a parallel production of the correspondent expressions, without any sensation or consciousness of effort.
Page 71 - There appears to be a sense of perfect intelligence conveyed from the stomach to the encephalic centre, which, in health, invariably dictates what quantity of aliment (responding to the sense of hunger and its due satisfaction) is naturally required for the purposes of life ; and which, if noticed and properly attended to, would prove the most salutary monitor of health, and effectual preventive of disease.
Page 595 - Now the rationale of these and other phenomena of a like kind, is simply as follows. The continued concentration of Attention upon a certain idea gives it a dominant power, not only over the mind, but over the body ; and the muscles become the involuntary instruments whereby it is carried into operation. In this case, too, as in that of the divining-rod, the movement is favoured by the state of muscular tension, which ensues when the hands have been kept for some time in a fixed position. And just...
Page 386 - It would indeed be difficult to conceive a disposition of parts more calculated to favour the escape of water from the blood than that of the Malpighian body. A large artery breaks up in a very direct manner into a number of minute branches, each of which suddenly opens into an assemblage of vessels of far greater aggregate capacity than itself, and from which there is but one narrow exit. Hence must arise a very abrupt retardation in the velocity of the current of blood.
Page 94 - The bolus, as it enters the cardia, turns to the left, passes the aperture, descends into the splenic extremity, and follows the great curvature towards the pyloric end. It then returns, in the course of the smaller curvature, makes its appearance again at the aperture in its descent into the great curvature, to perform similar revolutions.
Page 227 - ... in other words, every part of the body, by taking from the blood the peculiar substances which it needs for its own nutrition, does thereby act as an excretory organ; inasmuch as it removes from the blood that which, if retained in it, would be injurious to the rest of the body.
Page 386 - ... breaks up in a very direct manner into a number of minute branches, each of which suddenly opens into an assemblage of vessels of far greater aggregate capacity than itself, and from which there is but one narrow exit. Hence must arise a very abrupt retardation in the velocity of the current of blood. The vessels in which this delay occurs are uncovered by any structure.* They lie bare in a cell from which there is but one outlet, the orifice of the tube.
Page 619 - Mr. Braid's hypnotized subjects write with the most perfect regularity, when an opaque screen was interposed between their eyes and the paper, the lines being equidistant and parallel; and it is not uncommon for the writer to carry back his pencil or pen to dot an i, or cross at, or make some other correction in a letter or word.
Page 112 - The inner coat of the stomach, in its natural and healthy state, is of a light or pale pink colour, varying in its hues, according to its full or empty state. It is of a soft or velvet-like appearance, and is constantly covered with a very thin, transparent, viscid mucus, lining the whole interior of the organ.
Page 589 - ... our consciousness, than there is in understanding that impressions may excite muscular movements through the reflex power of the spinal cord, without the necessary intervention of sensation.