1170 



INDEX 



Nerve, conduction, chemical theory, 

 134 

 direction, 125 



double, in electrical organ of Ma- 

 lapterurus, 128 

 Kuhne's method of proving, 127 

 law of, 126 

 electrical theory of, 133 

 forward, law of, 126 

 nature of, 133 

 speed, 128 



effect of alcohol on, 133 

 of anesthetics on, 133 

 of carbon dioxid on, 133 

 of immersion in water on, 132 

 of magnesium sulphate on, 133 

 of narcotics on, 133 

 of temperature on, 132 

 factors altering, 131 

 Helmholtz's method of deter- 

 mining, 129 

 string galvanometer for meas- 

 uring, 130 

 wave of negativity in, 134 

 theory of, 133 

 conductivity, 124 

 current of action in, 137 



of injury in, 135 

 degeneration, 117 

 ascending, 120 

 descending, 120 

 morphological changes, 120 

 primary, 118 

 retrogressive, 119, 122 

 secondary, 118, 621 

 tertiary, 119 

 Wallerian law of, 119 

 depressor, 325, 329 

 dorsalis penis, 1129 

 electrotonic condition, method of 



testing, 146 

 energies, specific, doctrine of, 730 

 erigens, 1129 

 facial, 650 

 fatigue, 139, 140 

 function, 115 



of different parts, 116 

 galactosids, 114 

 glossopharyngeus, 534, 653 



function, 749 

 going to sleep, 131 



human, degenerated law of contrac- 

 tion, 155 

 hypoglossal, 656 

 ileo-inguinalis, 1129 

 impulse, relation to wave of negativ- 

 ity and action current, 138 

 inorganic salts in, 115 

 intermediary substance, 116 

 irreciprocal conduction, 115 

 irritability, 124 



conductivity and, differentiation, 

 124 

 kephalin, 114 

 lecithin, 114 



! Nerve, liberation of energy by, 134 

 lipoids, 114 

 medullary sheath. 111 

 metabolism during activity, 138 

 methods of stimulation, 53 

 myelin sheath. 111 



function, 116 

 neurilemma, function, 117 

 normal human, law of contraction, 

 150 



reaction to constant and inter- 

 rupted electrical currents, 142 

 oculomotor, 647 

 of equilibrium, 651 

 of hearing, 651 

 of Jacobson, 912 

 olfactory, 644 

 optic, 645 



phenomena of conduction, 124 

 physiology, 17, 108 

 plexus, 112 

 pneumogastric, 654. See also Vagtis 



nerve. 

 potassium in, 115 

 primitive sheath. 111 

 proteins, 114 

 pudendus, 1129 



reaction of, to ascending constant 

 electric current, 142 



to descending constant electric cur- 

 rent, 142 



to polarization current, 142 

 receptor substance, 116 

 refractory period, lengthening of, 141 

 regeneration, 122 



embryonic fibers in, 123 



morphologic changes, 122 

 stimulation, unipolar method, 151 



effects, 154 

 structure, 111 

 tetanus of^ secondary, 148 

 tissue, assimilative changes, 139 



dissimilative changes, 139 



refractory period, 139 

 trigeminus, 534, 649 

 trochlear, 649 



vagus, 654. See Vagus nerve. 

 Nerve-fiber, 111 

 axis cylinder, 113 

 band, 121 



degenerating, histology, 123 

 end-organs, 113 

 medullary substance, 113 

 neurilemma, 113 

 retrogressive degeneration, 611 

 thickness, 112 

 Nerve-fibrils, 112 

 Nerves, cranial, 642 



functional system of, 642 

 glossopharyngeal, 534 

 in lower extremity, 153 

 Nervous depressants, effect on body 



temperature, 1106 

 regulation of respiration, 528 

 system, anatomia division, 557 



