314 



ELEMENTS OF PHYSIOLOGY 



Pulmonary veins, 21, 22, 23 (fig.), 



24, 169 



Pupil of eye, 243 

 Purposeful character of reflex and 



volitional actions, 70, 79, 271 

 Pylorus, 108 (fig.) 



Radiation of heat, 212 



Radius, 19 



Rectum, 123, 185 



Reflexes, 80 ; conditioned and un- 

 conditioned, 85 ; of locomotion, 

 etc., 276 ; disappearance of, dur- 

 ing anesthesia, 280 



Renal arteries, 25, 182 (fig.) 



Repair of cells, 229 ff . 



Reservoirs, arterial and venous, 

 142 



Resistance to the flow of blood, 144, 

 156 (fig.) 



Respiration, organs of, 21 ; of the 

 cells, 165 ; nervous factors in, 175 ; 

 and muscular activity, 178 



Respiratory center, 175 



Respiratory movements. See Breath- 

 ing movements 



Retina, 243, 247 (fig.), 253 



Ribs, 17 ; action in respiration, 172 ff. 



Rice, polished, 233 



Sacrum, 14, 19 



Saliva, chemical composition of, 44 ; 

 secretion of, 44-47 ; action in di- 

 gestion, 104 ff. 



Salivary glands, 21, 29, 44 



Salts, inorganic, 44, 96, 232 



Sarcolemma, 34 



Sarcostyles. See Myofibrils 



Scapula, 19 



Sclerotic coat, 242 ff . 



Scurvy, 234 



Sebaceous glands, 185 (fig.), 186 



Secondary aids to the circulation, 

 147 



Secretin, 89 



Secretion, general physiology of, 

 44-47 ; internal, 64 ; of gastric 

 juice, 108 ; of pancreatic juice, 

 bile, and intestinal juice, 119-122; 

 of urine, 182 ; of perspiration, 187 



Segmenting movements of intestine, 

 124 



Semicircular canals, 256-258, 259 



Sensations, 240 ff . ; reference of, 240 



Sense organs, 77, 242 



Septum, of gland, 30 ; of muscle, 33 



Shivering, 210 



Shoulder blade, 19 



Shoulder girdle, 19 



Sigmoid flexure, 130 



Sinuses of skull, infections of, 257 



Skeleton, 14-19 



Skin, 7 ; structure and functions of, 

 184 ; care of, 187 ; as an organ of 

 absorption, 188 ; regulator of the 

 output of heat, 208 



Skull, 17 



Sleep, circulation during, 155 



Smell, sensations of, 258 



Soaps, 96, 121 



Soda water, 291 



Solidity, ideas of, 253 



Somnambulism, 274 



Speech, 279 



Spinal column, 14, 17 



Spinal cord, gross anatomy of, 18, 

 27; structure of, 73, 264; func- 

 tions of, 270 



Spleen, 10, 25 



Starch, 94, 97 (fig.) ; chemical struc- 

 ture of, 101 ; digestion of, 104, 

 112, 120. See also Carbohydrates 



Steapsin. See Lipase 



Sternum. See Breastbone 



Stimulants, 296 ff . 



Stimulation, 45, 79 



Stomach, anatomical relations of, 

 10, 20, 25 ; structure of, 107 ff . ; 

 digestive work of, 109-116 



Storage of material in the cell, 46, 

 48 



Submaxillary gland, 29, 44 



Submucous coat of intestine, 117 

 (fig.), 128 (fig.) 



Suction action of breathing move- 

 ments, 148 



Sugars, 95, 105 ff., 120. See also 

 Carbohydrates 



Supporting organs and tissues, 36 



Suprarenal glands. See Adrenal 

 glands 



Suspensory ligament of eye, 244 



Sweat glands, structure of, 186 



Synapse, 78, 270 (fig.) 



Systemic circulation, 22 



Systole, 140, 142 (fig.) 



Tannic acid, 290 

 Taste sensations, 258 

 Tea, 290 



