INDEX 



477 



Pia mater of brain, 355 



of spinal cord, 346 

 Pigmented cell, 44 

 Pituitary body, 307 



function of, 307 

 Place, sense, skin, 393 

 Placenta (after-birth), 184 

 Plantaris muscle, 169 

 Plasma of blood, 217 

 Platysma muscle, 135 

 Pleura, 240 



prevent friction during respira- 

 ation, 242 



structure of, 240 

 Pleural cavity, 240 

 Plexus of nerves, 340 



brachial, 380 



cervical, 380 



lumbar, 382 



sacral, 382 



venous, 211 



Pneumogastric (tenth) nerve, 378 

 Pons varolii. 357 



function of, 357 



structure of, 357 

 Popliteal artery, 208 



vein, 215 



Popliteus muscle, 169 

 Portal circulation, 215 



system, 215 



vein, 215 



Potential energy, 30 

 Pressure, blood. See Blood- ' 

 pressure. 



sense (skin), 393 

 Prickle cells, 43 

 Principles, proximate, 20 

 Pronation, 158 

 Pronator quadratus muscle, 153 



radii teres, 151 

 Proteins or proteids, 23 



composition of, 23 

 Proteoses, 25, 279 

 Protoplasm, 31 



composition of, 32 



of ovum, 32 



properties of, 32, 33 

 Proximate principles, 20 

 Psoas magnus muscle, 146 



parvus, 146 

 Ptyalin, 276 

 Pulmonary arterial system, 192 



artery, 178, 192 



circulation, 192 



vein, 178 

 Pulse, 189 



cause of, 190 



number of beats per minute, 

 190 



Pulse, physiology of, 190 



varieties of, 190 



where to count, 189 

 Pupil of eye, 400 

 Pylori c valve of stomach, 263 

 Pylorus of stomach, 263 



Q 



QUADRICEPS extensor tendon, 162 



RADIAL artery, 198 



vein, 213 

 Radius, 89 



Rami communicantes, 385, 386 

 Ranvier, nodes of, 335 

 Reaction, chemical. See Glossary. 

 Receptaculum chyli, 231 

 Recti muscles of eye-ball, 127, 



128 



Rectovaginal pouch, 272 

 Rectum, 272 

 Rectus femoris muscle, 162 



muscle of abdomen, 143 

 Red cells or corpuscles, 217, 219 

 Reflex action, 352 



in gland secretion, 292 

 Regions of abdomen, 264. Fig. 



102 



Renal arteries, 205 

 Rennin, 278 



action of, in gastric digestion, 

 adult, 279 

 infant, 284 

 upon milk, 279 

 Reproduction of a cell, 32 



organs of, female, 417 

 Reserve volume of air (lungs), 



246 

 Residual volume of air (lungs), 



246 

 Resistance peripheral (blood 



pressure), 191 

 Respiration, 233, 245 



carbon dioxide given off during, 

 244 



cause of, 249 



changes of composition of air 

 during, 246 



frequency of, 245 



function of, 245 



nasal cavities, relation to, 233 



organs of, 233 



oxygen absorbed during, 244 



rate of, 245 



