INDEX 



405 



Renal artery, 163. 

 Renal plexus, 261. 

 Kennet, 230, 252. 

 Rennin, 230, 253. 

 Reproduction, 12. 

 Resonating cavities, 139. 

 Respiration, 181-200. 



artificial, 348, 349. 



effects of alcohol and tobacco on, 

 194. 



muscular action in, 60, 185, 186. 



organs of, 181, 194, 195. 

 Respiratory apparatus, nervous control 



of, 198-200. 

 Retina, 103, 106-108. 



fatigue of, 116, 125. 

 Rhythmic movements of involuntary 



muscles, 66, 67. 



Ribs, action in respiration, 43, 185, 186, 

 195, 196. 



attachment to spinal column, 41. 



floating, 45. 



structure of, 44, 45. 

 Rickets, 54. 

 Rigor mortis, 65, 80. 

 Rods and cones of eye, 104, 108. 

 Rods of Corti, 130, 131. 

 Round window, of ear, 127. 



Saccule, 128. 



Sacral arteries, 162. 



Sacrum, 41. 



Saint Vitus's dance, causes of, 77. 



Saliva, action of, 229. 



destroys bacteria, 337. 



study of, 251, 252. 

 Salivary glands, 228, 229, 241. 

 Salts, as food elements, 203, 206, 261. 



in gastric juice, 230. 



skin excretes, 257, 258. 

 Sanitation, general, 360-367. 

 Santorini, cartilages of, 137. 

 Saponification, 232, 237. 

 Sarcolemma, 59, 61. 

 Scala tympani, 129. 

 Scala vestibuli, 129. 

 Scalds, treatment for, 349. 

 Scapula, 45. 



Sclerotic coat of eye, 106. 

 Sea anemone, rudiments of nerve sys- 

 tem in, 14. 



Sebaceous glands, 258. 

 Secreting cells, 292. 

 Secretion, 227-235. 

 Secretory nerves, 299. 

 Self-control, 303. 

 Semicircular canals, 128, 133. 

 Semilunar valves, 157, 159. 

 Sensation, conditions essential for, 85. 



general, 85. 



production of, 35. 

 Sense, muscular, 73, 86, 88, 89. 



of hearing, 14, 86, 126-135. 



of sight, 14, 86, 101-125. 



of smell, 14, 86, 96-99. 



of taste, 14, 86, 94-96. 



of touch, 14, 86-91. 

 Sensory areas, 312. 

 Sensory nerves, 28, 30, 86, 298. 

 Serrated sutures, 49. 

 Serum, 150. 

 Serum albumin, 217. 

 Sewage, disposal of, 366, 367. 

 Sheath, primitive, 61. 



medullary, 32, 33, 277. 

 Shortsightedness, 117. 

 Shoulder blade, 45. 

 Sight sensation, duration of, 116, 125 

 Sight, sense of, 14, 86, 101-125. 

 Sinus, 265. 



Skeletal muscles, 60, 61, 72, 73, 81. 

 Skeleton, 38-57. 



appendicular, 45-48. 



axial, 47. 



facial, 40. 



study of, 56, 57. 

 Skin, function of, 82, 257-259. 



organ of touch, 86. 



regulator of heat loss, 267. 



relation to kidneys, 262. 



structure of, 82, 258. 



study of, 91, 92. 

 Skull, parts of, 39, 49. 

 Sleep, 317-320. 

 Smell, area for, 313. 



combination with taste, 100. 



sense of, 14, 86, 96-99. 

 Sniffing, 97. 

 Solar plexus, 223, 295. 

 Sound, conduction of, 40. 



direction of, 133-135. 



production of, 139. 



