1056 



INDEX. 



Respiratory center, reaction of, to 

 change in carbon dioxid pres- 

 sure, 703 



to oxygen pressure, 703, 704 

 reflex stimulation of, 705 

 movements, electrical changes in, 



698 



quotient, 714 



waves of blood-pressure, 666 

 Restiform body, 235 

 Retina, action current of, 337 

 acuity of vision in, 343 

 after-images from, 352 

 color-blindness of, 354 

 contrasts in, 353 

 vision in, 349 



corresponding points of, 372 

 distribution of color sense in, 357 

 entoptic phenomena, 366 

 function of rods and cones of, 358 

 fundamental and complementary 



colors, 351 

 light adapted and dark adapted, 



346 



portion of, stimulated by light, 336 

 projection of, on occipital lobes, 



210 

 qualities of visual sensations from, 



349 



size of fovea in, 343 

 theories of color vision in, 360 

 threshold stimulus of, 345 

 visual purple of, 338 

 Retinoscope, 333 



Reversible chemical reactions, 750 

 Rheoscopic frog preparation, 104 

 Rhodopsin, 338 



Ribs, action of, in inspiration, 651 

 Rice, relation to beri-beri, 913 

 Rigor of muscle, 52, 68 

 Ringer's solution, 574 

 Ritter's tetanus, 90 

 Rivinus, ducts of, 758 

 Rods and cones of eye, functions of, 



358 



Romberg's symptom, 240 

 Rubner's laws of growth, 1021 



surface area law, 966 

 Rubrospinal tract, 180, 199 



SACCULUS, functions of, 412 

 Sacral autonomies, 739, 740 

 Saliva, chorda, 762 



composition of, 761 



digestive action of, 761 



general functions of, 773 



secretory nerves for, 761 



sympathetic, 762 

 Salivary glands, action of drugs upon, 



768 

 anatomical relations, 758 



Salivary glands, histological changes 



during activity, 765 

 structure of, 758 

 normal stimulation of, 769 



secretory centers for, 770 



nerve-fibers of, 762 

 theory of secretory nerves, 764 

 Salts, absorption of, in stomach, 792 



excretion of, 863, 932 



general nutritive importance of, 932 

 Sarcolactic acid, 63 

 Sarcostyles, 19 



Sebaceous glands, secretion of, 871 

 Secondary axes of a lens, 308 



degeneration, nerve-fibers, 123, 164 



proteoses, 786 

 Secretin, gastric, 782 



pancreatic, 797 

 Secretion, 758 



internal, 873 



paralytic (saliva), 769 



of bile, 824 



of gastric juice, 780 



of intestinal juice, 804 



of pancreatic juice, 794 



of saliva, 761 



of sebaceous glands, 871 



of sweat, 867 



of urine, 840 



Secretogogues of gastric glands, 782 

 Secretory nerves of salivary glands, 



761 



Semicircular canals, direct stimula- 

 tion of, 407 



Fluorens' experiments upon, 405 

 structure of, 404 

 temporary and permanent effects 



of operations on, 406 

 theories of functions of, 409 

 Seminal vesicles, function of, 905 

 Senescence, 1017 

 Senses, classification of, 271 



cutaneous and internal, 278 

 Sensibility, muscular, 288 



of glans penis, 279 



protopathic and epicritic, 278 

 Sensory aphasia, 221 



areas of cortex, 202 



paths in spinal cord, 169, 172 

 Sequence of heart-beat, 544, 580 

 Serin, 799, 1025 

 Serodiagnosis, 754 

 Serozym, 463 



Serum, action of foreign, 424 

 Serum-albumin, 450 

 Serum-globulin, 451, 1030 

 Seventh cranial nerve, nucleus of, 249 

 Sex, determination of, 1015 

 Sexual infantilism, 891 

 Side-pressure in blood-vessels, 513 

 Sino-auricular node, 541, 572 

 Sinospiral fibers of heart, 539 



