INDEX 



367 



Nerve-centre, diabetic, ii, 111 

 diffusion in, ii, 84 

 functions of, ii, 83 

 genito-urinary, ii,.103 

 m tstication, i, 226; ii, 111 

 radiation in, ii, 85 

 reflexion in, ii, 85 



laws and conditions of, ii, 85 

 respiratory, i, 202; ii, 110 

 secretion of saliva, i, 232; ii, 111 

 transference of impressions, ii, 84 

 vaso-motor, i, 154; ii, 111 

 vesico-spinui, ii, 103 

 Nerve-corpuscles, 



caudate or stellate, ii, 78 

 polar, ii, 78 

 Nerves, ii, 68 

 accelerator, i, 128 

 action of stimuli on, ii, 46 



currents of, ii, 45 

 affe ent, ii, 80 

 axis-cylinder of, ii, 70 

 centrifugal, ii, 80 

 centripetal, ii, 80 

 cen-bro-spinal, ii, 68 

 classification, ii, 70, 80 

 conduction by, ii, 80, et seq. 



rate of, ii, 81 

 continuity, ii, 73 

 course of, ii, 73 



cranial, ii, 136. See Cerebral Nerves, 

 depressor, i, 154 

 efferent, ii, 80 

 electrical currents of, ii, 45 

 functions of, ii, 78 



effect of chemical stimuli on, ii, 46 

 of mechanical irritation, ii, 46 

 of temperature, ii, 46 

 funiculi of, ii, 69 

 grey, ii, 71 

 impressions on, referred to periphery, 



ii, 81 

 inhibitory, ii, 80. See Inhibitory 



Action. 



intercentral, ii, 80 

 laws of conduction, ii, 81 



of motor nerves, ii, 83 



of sensory nerves, ii, 81 

 medullary sheath, ii, 69 

 medullated, ii, 69 

 motor, ii, 80 



laws of action in, ii, 82 

 natural currents, ii, 45 

 neurilemma, ii, 69 

 nodes of Ranvier, ii, 71 

 non-medullated, ii, 71 

 nuclei, ii, 70 

 of special sense, ii, 82 

 plexuses of, ii, 73 

 primitive nerve sheath, ii, 70 

 sensory, ii, 80 



laws of action in, ii, 81 

 size of, ii, 80 



spinal, ii, 94, 96, 150, et seq. See Spinal 

 Nerves. 



Nerves, stimuli, ii, 46 

 structure, ii, 69 



sympathetic, ii, 68, 151. See Sympa- 

 thetic Nerve, 

 terminations of, ii, 76 

 central, ii, 77 

 in cells, ii, 76 

 in end-bulbs, ii, 74 

 in motorial end-plates, ii, 76 

 in networks or plexuse-, ii, 76 

 in Pacinian coipuscles, ii, 74 

 in touc-.i. -corpuscles, ii, 75 

 trophic, ii, 142, 157 

 ulnar, effect of compression of, ii, 81 

 varieties of, ii, 69 

 vaso-constrictor, i, 156 

 vaso-dilator, i, 156 

 vaso-inhibitory, i, 156 

 vaso-motor, i, 156 

 white, ii, 46 

 Nervi nervo um, ii, 82 

 Nervi vasorum, i, 132 

 Nervous force, velocity of, ii, 80 

 Nervous system, ii, 68 

 cerebro spinal, ii, 68 

 development, ii, 287 

 elementary structure of, ii, 68 

 influence of 



on animal heat, i, 316 



on arteries, i, 154, et seq. 



on contractility, ii, 24 



on contraction of blood-vessels, i, 



152 



on erection, i, 169 

 on gastric digestion, i, 252 

 on the heart's action, i, 124 

 on movements of intestines, i, 289 



of stomach, i, 252 

 on nutrition, ii, 157 

 on respiration, i, 201 

 on secretion, i, 231 

 on sphincter ani, i, 288 

 sympathetic, ii, 151. 

 Network, intracellular, i, 10 



nuclear, i, 11 

 Neurilemma, ii, 69 

 Neurin, ii, 332 

 Neuroglia, i, 34 

 Nipple, an erectile organ, i, 168 



structure of, i, 329 

 Nitrogen, 

 in blood, i, 96 



influence of, in decomposition, ii, 326 

 in relation to food, i, 213, et seq. 

 in respiration, i, 195 

 Nitrogenous compounds, i, 213 



non-nitrogenous compounds, i, 213 

 Nitrogenous equilibrium, ii, 66 

 Nitrogenous food, i, 214 

 in relation to muscular work, i, 370, et 



seq. 

 in relation to urea, i, 370 



to uric acid, i, 372 

 Nodes of Ranvier, ii, 71 

 Noises in ears, ii, 83 



