1582 



INDEX. 



Nerve-fibres, inhibitory and augmentor, 



293 



secretory and trophic, 417 

 trophic, 830 



vaso-constrictor and vaso-di- 

 lator, 312 



vaso-constrictor, course of, 317 

 vaso-dilator, course of, 318 

 nutrition of, 853, 898 

 Nervi erigentes, vaso-dilator fibres of, 321 

 ,, ,, action of, on the rectum, 



467 

 ,, ,, action on penis, androots 



of, 1509 



Nervous system, central, grey and white 



matter of, 177 



,, ,, regulation of temperature 



by the, 814, 816 

 ,, metabolism governed by 



the, 829 

 ,, ,, vicarious action of, after 



partial injury, 799 

 Nervous mechanism, co-ordinating, 910, 



1009, 1019, 1289 

 Neurilemma, denned, 115, note 



structure of, 117 



Neurin in nervous tissue, 121 

 Neuroglia, 178 



,, of white matter of cord, 859 

 ,, of grey matter of cord, 862 

 Neurokeratin in nerve medulla, 117, 123, 



860 

 Newt, chief cells of gastric glands in, 411 



,, structure of lung of, 527 

 Nicol prism described, 93 

 Nitrogen in proteids, 17 

 ,, in expired air, 551 

 relations of, in the blood, 571 

 free, inassimilable by living 



beings, 792 



Nitrogenous waste not increased by 

 muscle contraction, 103, 106 

 equilibrium, 795 

 Node of Ranvier, 115 

 "Nceud vital " of Flourens, 585 

 Noises and musical sounds, 1361 



,, characters of, 1365 

 Nostrils, their work in inspiration, 548 

 Notch, dicrotic, in pulse tracings, 265 

 Notes, how produced vocally, 1453, 1463 

 Nuclei of cranial nerves, 953-970 

 Nuclein, in white corpuscles, 40 

 ,, a modified proteid, 43 

 a constituent of milk, 781, 785 

 ,, ,, ,, of semen, 1507 



of yolk, 1494 



Nucleus of white corpuscles, how shewn, 



39 



of the neurilemma, 117 

 of non-medullary nerve-fibre, 120 

 ,, of a nerve- cell, 174 

 caudatus, 932, 974 

 lenticularis, 932 

 ,, olivary, 945 



Nucleus accessory olivary, 945 



arcuate, 946 

 gracile, 947 

 cuneate, 947 

 ,, amygdalae, 978 

 ,, red, of the tegmentum, 981 

 Nucleolus in ganglionic cells, 174 

 Nutrition, statistics of, 788 



, , income and output of material 



in, 791 

 summary of phenomena of, 



822 



of muscle, 823 



,, increased by activity, 148 



,, influences determining, 828 

 ,, nervous control of, 829, 915 

 ,, disordered, phenomena of, 831 

 of nerve-fibres, 853, 898 

 of embryo, 1520-1532 



Odours, perception of, 1388 



,, discrimination of, 1389 

 Oedema, possible causes of, 496, 507 

 ,, inflammatory, 508 



of Bright's disease, 509 

 Oesophagus, structure of, 392 



muscles of, 393 

 ,, nerve supply to, 394 



,, movements of in degluti- 



tion, 457 

 ,, force of contraction in the, 



458 



Oil, clotting of blood prevented by pre- 

 sence of, 21 

 Old age, phenomena of, 1548 



,, degenerations characteristic of, 



1548 

 Olein, a constituent of animal fat, 772 



,, presence of, in blood, 50 

 Olfactory bulb and tract, structure of, 



1085 



mucous membrane, 1384 

 ,, nerve-fibres, terminations of, 



1386 



sensations, 1388, 1389 

 judgments, 1390 

 Olivary body (inferior olive), 937 



nuclei, 942 

 Olive, upper, 982 

 Oncograph, renal, 659 

 Oncometer, renal, 657, 1135 

 Ophthalmoscope, principle of the, 1258 

 Optic vesicle, development of, 929, 107 i 

 thalamus, 930 

 structure of, 971 



its nuclei, 980 

 ,, pulvinar, 981 



,, results of removalinfrog, 



1019 

 ,, lobes, results of removal in frog, 



1019 



chiasma, 1073 



,, nerve, its decussation in chiasma, 

 1073 



