714 



INDEX 



Myogram, 448 

 Myograph, pendulum, 448 

 Myohematin, 441 

 Myopia, 651 

 Myosin, 82, 44.1, 464 



ferment, 441 

 Myosinogen, 441, 465 

 Myxedema, 428 



NASAL region, smell, 610 

 Near-point, 645, 672 

 Nephrolytic sera, 128 

 Nerve cells, 70, 503 



arrangement of, in spinal 

 cord, 511 



body, 70 



characteristic of individual, 



54 



functions of, 503, 504 

 neurone theory, 504 

 nutritive influence of, 506 

 transmission of impulses 



through, 507 

 types of, 508 



centers, 508 



functions of, 508 



collaterals, 68 



end-brushes, 68 



fibers, 64, 72 



effect of battery current on, 



471, 473 

 fatigue of, 470 

 functions of, 469 

 medullated, 64 

 non-medullated, 66 

 impulses, 469 



cellulifugal, 507 

 cellulipetal, 507 

 character of, 469 

 specific energy of, 507 

 transmission through cells, 



507 



velocity of, 470 

 stimuli, 442, 469, 492 

 terminations, 72 

 tissue, 64, 66 

 trunks, 67 



Nerves, cardiac, 232 

 cranial, 548 



functions of, 548 

 depressor, 215 



Nerves, effect of currents on human, 



47 1 . 473 



experiments on, 492 

 irritability of, 492 

 spinal, 516 



vasomotor, 211, 213, 217, 219 

 Nervous system, 503 



functions of, 504 

 influence on secretion, 295 

 sympathetic, 591 

 tissues, 64, 66 



axones of, 64, 507 

 dendrites of, 64, 507 

 ganglia of, 508 

 neuroglia of, 64, 77 

 Pacinian corpuscles, 73 

 Neuraxone, 64 

 Neurilemma, 64 

 Neuroglia, 64, 77 

 Neurokeratin, 87 

 Neurone, 64, 503 

 theory, 504 

 varieties, 508 

 Neutrophile, 100, 113 

 Ninth nerve, 556 

 Nitrogen in proteids, 88 

 Nitrogenous bodies, 79 

 equilibrium, 408 

 foods, 297 

 output, 409 



Nitrous oxide, effect of breathing, 279 

 Nodes of Ranvier, 65 

 Nceud vital, 272 



Nostrils, respiratory movements of , 2 5 7 

 Nuclear matrix, 1 7 

 Nuclei of optic thalamus, 546 

 Nucleic acid, 85 

 Nucleins, 85 

 Nucleoli, 1 8 

 Nucleoplasm, 17 

 Nucleoproteids, 84, 85 

 Nucleus, 9, 17 



ambiguus, 556 

 ruber, 546 

 structure of, 17 



OBESITY, 416 

 Ocular fixation, 664 

 Odontoblasts,.52, 55 

 Oils, 90 



as food, 300 



