1178 



INDEX 



Secretion, histological changes in cells of 

 pancreas during, 933 



movement by, 38 



of urine, 1064. See Urine secretion. 



skin as organ of, 894 

 Secretions, 891 



chemical theory, 892 



classification, 889 



cutaneous, 889 



digestive, 908, 918, 938 



external, 889 



factors in formation of, 892 



filtration theory of, 892 



gastric, 918 



internal, 951. See also Internal 

 secretions. 



lymphatic, 903 



mechanistic theory, 892 



mucous, 903 



pancreatic, 918 



vitalistic theory, 892 

 Segmentation nucleus, 1119 

 Semen, 1126 



ejaculation of, 1127 



pollutions, 1129 



spontaneous emissions, 1128 

 Semicircular canals, 771, 785 

 anterior or superior, 786 

 effects of lesions of, 787 

 of stimulation of, 788 

 external or horizontal, 786 

 posterior or inferior, 787 

 relative position, 786 

 Semilunar valves, 271 

 Seminal vesicles, 1126 

 Seminiferous tubules, 1123 

 Semivowels, sound production of, 554 

 Sensations, olfactory, qualitative dif- 

 ferences in, 747 , 

 • tactile, methods of evoking, 735 

 Sense, dynamic, 730, 785 



of equilibrium, 781 



of hearing, 756 



of hunger, 743 



of movement, 785 



of pain, 734, 740 



of position, 781 



of pressure, 734 



of sight, 794 



of smell, 743 



of taste, 743 



topography of, 751 



of temperature, 734, 741 



of thirst,* 743 



of touch ,734 



static, 578, 730, 781 

 Sense-organs, 727 



adaptation of, 732 



classification, 727, 729 



fatigue of, 732 

 Sensibilin, 252 

 Sensitive plant, 37 

 Sensitizing substance, 250 

 Sensory aphasia, 696 



neuron, 109 



Sensory paralysis from hemisection of 



spinal cord, 626 

 Septomarginal bundle, 616 

 Sera, antitoxic, 246 

 Serum, blood, 171, 212 



sickness, 251 

 Serum-albumin, 170, 171, 172 

 Serum-casein, 171 

 Serum-globulin, 170, 171 

 Sex, determination of, 1143 



effect of, on metabolism, 1054 



influence of, on respiratory quotient, 

 516 

 Sexual glands, 982 



maturity, 1125 



organs, female, relation to mammarv 

 glands, 899 



reproduction, 1117 

 Shadow test of refractive power of eye, 



867 ^ 

 Sham feeding for study of gastric juice, 



930 

 Shingles, 622 

 Shivering, 1098 

 Shock, 589 



theories of, 590 

 Sickness, mountain, 519 



serum, 251 

 Side-chain theory of immunity, 249 

 Sighing, 482 

 Sight center, 684 



nerve of, 645 



second, 861 



sense of, 794 

 Sigismund's theory of menstruation, 



1134 

 Sign, Argyll-Robertson, 813 

 Singing, 553 



voice, range, 553 

 Sino-auricular node, 277 

 Sinospiral fibers of ventricles, 266 

 Sinus of Valsalva, 272 



venosus, 255 

 Skeletal muscle tissue, vasomotors of, 

 421 



musculature, 42 

 Skiascopy, 867 

 Skin, absorption through, 1034 



as organ of protection, 893 

 of secretion, 894 



cold spots, 742 



respiratory interchange through, 450 



varnishing, effect on body tempera- 

 ture, 1105 



warm spots, 742 

 Sleep, 716, 721 



adult requirement, 721 



anemia theory, 723 



changes in depth, 722 



chemical theories, 723 



effect of, on arterial blood pressure, 

 370 

 on metabolism, 1054 



hypnotic, 724 



inhibition theory, 723 



