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-tibre,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, 1074 

 thalamus, 930 

 ,, ,, structure of, 971 



,, ,, its nuclei, 980 



,, ,, pulviuar, 981 



,, results of removal in frog, 



1019 

 ,, lobes, results of removal in frog, 



1019 



,, chiasma, 1073 



,, nerve, its decussation in chiasma, 

 1073 



