An American text-book of physiology / by Henry P. Bowditch [and others]., edited by William H. Howell.
- Howell, William H. (William Henry), 1860-1945.
- Date:
- 1897 [©1896]
Licence: Public Domain Mark
Credit: An American text-book of physiology / by Henry P. Bowditch [and others]., edited by William H. Howell. Source: Wellcome Collection.
Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.
1047/1102 (page 1041)
![Nerve-cell, maturing of the, 611 nutritiuii of thi', iufluciices acting on the, 62U «:«» physiology of the, (iOT-fi.'JJt single, nerve-iMipiilso, vvitliin a, 618 spinal-cord, volume of, (!11 stimuli neeessary to elicit a response in a, nuinlter of, 62.) tropiiic iulliieiices on the, 627 Nerve-cells, ehanges in, due to age, 617 classes of, defined, 641 cytoplasm of, ciuinges in the, 617 disuse of, elfeet of, upon reflex action of nerve-lihres, iii'A^ efferent, sympathetic relations of the, 654 forms of, (>07 groups of, in central nervous system, 639 growtii of, 610 impulses of, rate of discharge of, 623 in central nervous system, number of, 731 increase in the mass of, 731 in the number of, in central nervous sys- tem, 727, 728 location of, 3() medulJation of, 614 metal>olism in, in old age, 742 peculiarilics of, 6(t8 size and function of, (ilO in ditfcreiit animals, 609 types of, 612, 613 unipolar, 441 vaso-motor, 4H8, 489 Nerve-elements, classification of, 641 degeneration and regeneration of, 633 enlargement in tlie, average, 731 functional, increase in the number of, in central system, 727 Nerve-fibre, axis-cylinder, conductivity of, 82 branches, growth of, 613 chemical reaction of, 151 composition of, 150, 151 defined, 607 degeneration and regeneration of, 52, 82 injured, absorption-process following, 82, 83 recovery, functional, 83 irritability and conductivity of, 624 Nerve-fibres, afferent or centripetal, 36 of spinal cord, 645 arrangement of, 36 association, cortical, 697 auditory, of the cochlea, 821 terminations of, 815-818 cardiac inhibitory, origin of, 468 cerebral, of the salivary glands, 1.59, 160 varieties of, 729 cholesterin of, 264 classes of, 36 —medullated, 36 —non-mednllatud, 36 constrictor, of the pupils, 769, 770 cortical, increase in the, 729 decussation of, 647, 680, 681, 768 degeneration of, after hemisection of cord, 669 in the central system, 6.34 of non-medulla'ted, 633 of nucleated portion of, 635 secondary, of cortical, 687 dependence of, on the blood-supply, 74 diameters of the neurons of, 613 dilator, of the pupils, 769, 770 dorsal root, number of, 673 efferent or centrifugal, ,36 extrinsic, intestinal, .322, 323 of the stomach muscles, 316, 319, 320 function of, 36 germinal, 688 Nerve-fibres, glyco-secretory, 188 growth of the medullary sheath of, 615 lecithin of, 265 meduilation of, <)14, til.), 729 motor, of the gall-bladder, 188 of liver-ci^lls, existence of, 185 of salivary glands, l.>9 of sweat-glands, 199 of the bladder, 330 of tlu! eye-muscles, 746 of the jiarotid, 159 of the skin, 281, 835 of the sphincter ani, 324 of the spleen, 272, 273 of the stomach, 316 olfactory, 8.50 optic, insensibility of, to light, 774 number of, 770 pressor and dejjressor, 494 regeneration of, .58, 82, 6.36 relation of medullary sheath and axis-cyl- inder of, to the central system, (il6 to the p(5ri)theral nervous system, 615 secretory, action of, upon the formation of bile, 188 connection between the gland-cells and the, l6l in the pancreas, ])roof of, 173, 174 normal function of the, in the sympa- thetic, 171 of the kidney, 191 termination of, 161 theory of, 1<)5, 166 varieties of, l.)5 sensory, ending of, in the .skin, 835 of the tongue, 8.52 stimulation and changes in temperature on, effect of, 614, 615 structure of, 36 trophic, theory of, 16.5, 166 thermogenic, 598 vaso-constrictor of the kidneys, action of, 196, 197 vaso-dilator of the kidneys, action of, 196, 197 vaso-motor of the lungs, 574 Nerve-impulse, afferent, of the cortex composite character of, 700 defined, 40, 611 direction of the, 619 extension of the, conditions surrounding the, 619 pathways of the, double, 621 points in the cell-body at which the, can be aroused, 624 rate of, 618, 738, 7.39 theories of the passage of the, in the cen- tral system, 644 within a single nerve-cell, 618 Nerve-impulses, arrangement of, in the central system, 621 course of the, on leaving the cortex, 695 effect of, on the cell-body, 622 efferent, reaction of, 660 olfactorv, pathwav of, 682' pathways of the, (318, 647-657, 668, 682 sensory, pathways of, 668 Nerve-injury, electrical current of, 139 Nerve-muscle preparation, 49 Nerve-roots, afferent, 644, 645 Nerve-supply of the larynx, 868 Nerve-theory of heart-beat, 441 Nerve-tissnes, specific gravity of, 7.32 Nerve-tracts in the central system, 668 Nerve-trunks, direct irritation of, excites no sensations of temperature and touch, 841, 842](https://iiif.wellcomecollection.org/image/b21218158_1047.jp2/full/800%2C/0/default.jpg)