A Text-book of PhysiologyF. A. Davis Company, 1907 - 815 pages |
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Common terms and phrases
absorption acid action albumin alkaline animal arteries auricle becomes bile blood blood-pressure blood-vessels body branches canal capillaries carbohydrates carbon carbonic acid cardiac causes cavity cells cent cerebellum chemical chyle circulation coagulation color column contains contraction cortex diameter diastole digestion dilatation duct epithelium excitation excreted external ferment fluid function ganglia ganglion gastric juice glands glycogen grams hæmoglobin heart heat inch increase injected irritation kidneys layer leucocytes liver lungs lymph lymphatics medulla medulla oblongata millimeters motor movements mucous membrane muscle muscular fibers nerve nerve-fibers nervous neuraxons neuroglia nitrogen normal nucleus organ osmotic pressure ovum oxygen pancreatic pancreatic juice pass pepsin peptones portion posterior pressure produced proteid protoplasm pulmonary quantity red corpuscles reflex respiration respiratory retina salts secretion sensory serum sodium solution spinal cord stimulation stomach substance surface sympathetic systole temperature tion tissues tract tube urea urine valves vasoconstrictor veins ventricle vessels walls
Popular passages
Page 355 - To circulate the blood round the body" or (in more detail) "To convey oxygen from the lungs to the tissues and carbon dioxide from the tissues to the lungs...
Page 385 - They are found in abundance beneath the skin of the palm of the hand and the sole of the foot...
Page 191 - A, which can be removed at pleasure. Below the prism is an achromatic eye-piece, having an adjustable slit between the two lenses ; the upper lens being furnished with a screw motion to focus the slit. A side slit, capable of adjustment, admits, when required, a second beam of light from any object whose spectrum it is desired to compare with that of the object placed on the stage of the Microscope. This second beam of light strikes against a very small prism suitably placed inside the apparatus,...
Page 191 - Light, entering the round hole near E, strikes against the right-angled prism which we have mentioned as being placed inside the apparatus, and is reflected up through the slit belonging to the compound prism. If any incandescent object is placed in a suitable position with reference to the round hole, its spectrum will be obtained, and will be seen on looking through it.
Page 192 - Remove a, and open the slit by means of the milled head, not shown in cut, but which is at right angles to d d. When the slit is sufficiently open, the rest of the apparatus acts like an ordinary eyepiece, and any object can be focussed in the usual way. Having focussed the object, replace a, and gradually close the slit till a good spectrum is obtained. The spectrum will be much improved by throwing the object a little out of focus. Every part of the spectrum differs a little from adjacent parts...
Page 443 - The Specific Heat of a body is the ratio of the quantity of heat required to raise that body one degree to the quantity required to raise an equal weight of water one degree.
Page 511 - ... the centimetre as the unit of length, the gramme as the unit of mass, and the second as the unit of time.
Page 332 - The intra-thoracic pressure rises very rapidly after the cessation of the inspiratory effort, and then slowly falls as the air issues from the chest ; at the beginning of the inspiratory effort the fall becomes more rapid. (M. Foster...
Page 272 - I inserted into it a brass pipe whose bore was one-sixth of an inch in diameter ; and to that, by means of another brass pipe which was fitly adapted to it, I fixed a glass tube, of nearly the same diameter, which was...
Page 791 - The latter then serves as a medium of nutrition and respiration until the formation of the placenta at the end of the third month. Chorion. — The chorion is the membrane which envelops the ovum subsequent to the appearance of the amnion. It results from the fusion of the allantois and false amnion. Upon the surface of the choriou are numerous villi.