INDEX 



667 



Nerves, augmentor, 73 

 cranial, 200 

 degeneration of, 76 

 efferent, 73, 195 

 excito-motor, 74 

 excito-reflex, 74 

 excito-secretory, 74 

 excito-vaso dilator, 74 

 factors modifying conduction 



in, 71 

 ingoing, 106 ' 



inhibitory, 73 

 mixed, 74 

 motor, 73 



nature of impulse in, 74 

 optic, 162 

 posterior root, 107 

 rate of conduction in, 70 

 regeneration of, 76 

 secretory, 73 

 sensory, 74 

 somatic, 54 

 splanchnic, 54, 196 

 thoracico-abdominal, 197 

 vagus, 200 

 vaso-constrictor, 456 

 vaso-dilator, 458 

 visceral, 195 

 Nervous mechanism, intra-cardiac, 

 388 

 extra-cardiac, 418 

 gastric movement, 318 

 regulation of metabolism, 587 



system, 53 



development of, 53 

 structure of, 55 

 Neural arcs, 78 et seq. 



cerebellar, 81 



cerebral, 80 



general action of, 80 



spinal, 78 

 Neurilemma, 56 

 Neuroblast, 53 

 Neuro-keratin, 57 

 Neuromyal junction, 205 

 Neurons of heart, 388 

 Neurons, 53 



axon of, 56 



cell of, 55 



cell, Nissl granules in, 55 



classification of, 73 



conduction in, 69 



degeneration of, 77 



dendrites of, 56 



excitation of, 60 



function of cell, 76 



Neurons, gemmules of, 56 

 in series, 77 



manifestations of activity, 59 

 means of stimulating, 61 

 nature of impulse, 74 

 neuro-myal junction, 205 

 nutrition of, 76 

 physiology, 58 

 regeneration of, 77 

 stimulation of, 61 et seq. 

 structure, 55 

 synapsis, 54 

 Neutral sulphur in urine, 564 

 Nicotine, effect of painting ganglia, 



198 

 Ninth nerve, 201 

 Nissl's degeneration, 77 



granules, 55 

 Nitric oxide, 489 

 Nitrogen in the urine, 559 

 free extract, 288 

 non-protein, 284 

 Noci-ceptive receptors {see Pain) 

 Nocuous stimuli, 100 

 Nodes of Eanvier, 57 

 Non-medullated nerve fibres, 56 

 Non-polarisable electrodes (see Elec- 

 trodes) 

 Normoblasts, 501 

 Nuclei of the cranial nerves, 200 _ 

 Nucleic acid {see Appendix 1.), 27 

 Nucleins {see Appendix I.), 27 

 Nucleolus, 27 



Nucleo-proteins (see Appendix II.), 

 556 

 action of gastric juice on, 312 

 action of trypsin on, 320 

 of urine, 566 

 Nucleus, 26 et seq. 

 accessor ins, 172 

 chemistry of, 27 

 division of, 28 

 functions of, 28 

 membrane of, 28 

 of Deiters', 126 

 structure of, 26 

 Nutritive ratio, 368 



Oats, 366 



Oblique muscles of eye, 1 59 

 Oculomotor nerve, 161, 201 

 Esophageal groove, 295 

 Oesophagus, 293 



peristaltic action of, 308 

 (Estrous cycle, 622 

 Oleic acid, 42 



