INDEX 



1171 



Nervous system, autonomic, 627 

 action of epinephrin on, 974 

 afferent conduction in, 635 

 cerebrospinal system and, con- 

 nections between, 631 

 characteristics, 629 

 function, 630 

 central, 557 

 mass, 557 



cerebrospinal, autonomic system 

 and, connections between, 631 

 cervical sympathetics, 631 

 chemical grounds, 557 

 cranial, 631 



fibrillar hypothesis, 565 

 functional arrangement, 565 

 grounds, 557 

 significance, 557 

 unit, 574 



histological grounds, 557 

 joining of reflex circuits, 580 

 lessening irritability of, reflex in- 

 hibition from, 590 

 neuron concept of, 558 

 parasympathetic, 627, 631 

 peripheral complex, 557 

 protective mechanisms, 706, 716 

 reflex circuit, 575 

 concept, 574 

 evolution into reaction system, 



578 



rudimentary, a reflex system, 376 

 sacral sympathetic, 631 

 structural arrangement, 557 



unit, 558 

 subdivisions, 557 

 sympathetic, 627 

 thoracic sympathetic, 631 

 visceral, 621 

 Waldeyer's neuron doctrine of, 565 



arguments in favor, 567 

 Nervus accelerans, 310 



perinei, 1129 

 Neurilemma, 111 

 of nerve, function, 117 

 of nerve-fiber, 113 

 Neurit, 108 

 Neuroblast, 108, 559 

 Neurogenic theory of fever, 1107 

 of heart beat, 332 

 of peristalsis, 1016 

 Neuroglia, 108 

 Neurokeratin, 113 

 Neuron, 108, 558 

 afferent, 109 



concept of nervous system, 558 

 conducting paths, 108 

 doctrine of nervous system, Wal- 

 deyer's, 565 



arguments in favor, 567 

 efferent, 109 



external characteristics, 558 

 form and size, 108 

 function, 109 

 internal characteristics, 563 



Neuron, motor, 109 



sensory, 109 

 types of, 560, 561, 562 

 Neutral salts, effect of, on coagulation 



of blood, 223J 

 Neutrophile granules, 200 

 Neutrophiles, 199 

 New-born infant, respiration in, 460 

 Newton's emission or corpuscular 



the9ry of light, 794 

 Nicotin, effect on inhibitor reaction of 



heart, 316 



on salivary secretion, 916 

 Nictitating membrane, 807 

 Nissl's granules, 108, 563, 564 

 Nitric oxid hemoglobin, spectrum of, 



194 

 Nitrogen, amino-, 1051 



elimination of, in starvation, 1053 



excretion of, premortal rise, in 

 starvation, 1053 



function, 447 



in blood, condition of, 507 



relation to sulphur, in starvation, 



1053 



Nitrogen-equilibrium, 1049 

 Nobili's galvanometer, 99 

 Node, sino-auricular, 277 

 Nodes of Ranvier, 113 

 Noises, 757 



perception of, 780 

 Non-polarizable electrodes, 59 

 Non-striated muscle, 42 

 Non-threshold substances, 1073 

 Normoblasts, 197 

 No vain, 87 

 Nuclein, 26, 29 

 Nucleoproteids, 26 



tissue, 222 

 Nucleoprotein, 171 

 Nucleus in central nervous system, 111 



of cell, 24 



cytoplasm and functional relation, 

 27 



cleavage, 1119 



segmentation, 1119 



OBESITY, 1047 



Banting's cure, 1056 

 Occipitofrontal fasciculus, 661 

 Oculomotor nerve, 647 

 Odors, classification, 747 

 Odores factores, 747 



intermedia?, 747 



suaveolentes, 747 

 Ohm, 58 



Old-sightedness, 830 

 Olein of milk, 902 

 Olfactometer of Zwaardemaker, 746 

 Olfactometry, 745 

 Olfactory bulb, 644 



cells, power of reaction, 745 

 specific action, 744 



center, 644, 690 



nerve, 644 



