INDEX 



671 



Retina, layers of, 141 



modes of stimulation, 153 

 nature of changes in, 154 

 rods and cones of, 142 

 stimulation of, 153 et seq. 

 Rhinencephalou, 135, 181 

 Ehodopsin, 154 

 Ribs, movements of, in respiration 



{see Respiration) 

 Rickets, 50, 281 

 Rigor mortis, 214 

 Riva Rocci blood pressure apparatus, 



438 

 Roaring, 553 



Rolandic area (see Motor areas) 

 Roof nucleus of the cerebellum {see 



Cerebellum), 125 

 Roots as food, 290 

 Roots of the spinal nerves, 107 

 Rubro-spinal fibres, 195 

 Rumen, 294 



digestion in, 339 

 Rumination, 337 



Saccharomyces cerevisse, 5 

 Saccule, 118 

 Saliva, 302 et seq. 



character of, 302 



chemistry of, 302 



functions of, 303 



influence of chorda tympani in 

 secretion of, 304 



physiology of, 303 



reflex stimulation of secretion, 

 304 



stimulation of sympathetic 

 eff'ect on, 305 

 Salivarv centre, 305 



glands, 293 



glands, nerve supply, 303 



secretion, physiology of, 303 

 Salts of the bile acids, 323 

 Sanson's images, 147 

 Sarcolactic acid, 209, 250 

 Sarcolemma, 204 

 Sarcostyle, 204 

 Sarcous substance, 204 

 Scala media, 171 



tymijani, 170 

 vestibula, 170 

 Scheiner's experiment, 146 

 Schwann, 2 



white sheath of {see Nerve) 

 Sclero-proteins {see Appendix II. 1 

 Sclerotic, 139 

 Scratch reflex, 87 



Sebaceous glands, 585 

 Secretin, 321, 601 

 Secreting epithelium, 34 

 Secretions, internal, 588 et seq. 

 Sectional area of circulatory system, 



383 

 Semen, 621 



Semicircular canals, 117 

 Semilunar valves, 391 

 Semi-starvation, metabolism of, 274 

 Seminiferous tubules, 620 

 Sensation, colour, 155 

 integration, 179 

 of hunger (see Hunger) 

 of pain (see Pain) 

 of smell {see Smell) 

 of taste {see Taste) 

 of thirst (see Thirst) 

 physiology of colour, 155 

 Sensation, production of colour, 



156 

 Sense of acceleration and retarda- 

 tion of motion (sec Labyrinth) 

 of hearing, 166 et seq. 

 joint and muscle, 105 

 tactile, 101 

 thermal, 103 

 Sensibility, common, 98 

 Sertolis cells, 606 

 Serum, 479 



albumin, 476, 480 

 globulin, 476, 480 

 Sesamoid ligaments, 233 

 Seventh cranial nerve, 199 

 Sex, determination of, 617 

 Sexual organs, 618 



organs, effect of removal of, 606 

 Sheath of Schwann, white, 56 

 Shingles, 91 

 Side-chain theory, 614 

 Sight, 136 et seq. 

 Sino-auricular node, 385 

 Sinus of Valsalva, 392 

 Sixth nerve {see Abducens), 201 

 Skatol, 330 

 Skatoxyl-sulphate of potassium, 



563 

 Skin, elimination of heat by, 267 

 excretion by, 582 

 receptors, 99 

 Slaughter test, 369 

 Sleep, 187 



Small intestine, 295, 332 

 Smell, 133 



centre for, 134 

 mechanism of, 133 



