INDEX 



725 



Elastic manometer, 9, Fig. 5. 

 Elastic tubes, flow of liquid in, 199. 



waves in, 212. 

 Elasticity, coefficient of, in arteries, 201. 



of arterial wall, 200, 201. 



of lungs, 310; 311, Fig. 120; 317. 



of resting muscle, 412, Fig. 150; 413, Fig. 



152. 



Elasticity apparatus, 412, Fig. 151. 

 Elastin, 78. 



percentage composition of, 82. 

 Electric fishes, 48, 50. 



Electric phenomena in central nervous system, 

 570, 588. 



in cutaneous glands, 48. 



in digestive glands, 257. 



in muscles and nerves, 47, 431. 



in plants, 49, 50. 



in resting muscle, 47. 



in retina, 537. 



in skin, 49. 



in starch formation, 49, 50. 

 Electric signal, 10, Fig. 7. 

 Electrical stimulation in general, 59, 418. 

 Electrical stimulation of the cord, 588. 

 Electrical stimulation of the cerebral cortex, 



601, 631, 632, 633. 



Electrical stimulation of human nerves, 427. 

 Electricity, see Electric currents. 



action of strong currents of, 61. 



animal, 46. 



generation of, 46. 



Electrodes, nonpolarizable, 418, 419, Fig. 157. 

 Electrolysis in nerves, 434. 

 Electrolytes, relation of, to osmotic pressure, 



32. 



Electrometer, capillary, 13, Fig. 12. 

 Electrotonic currents, 433, Fig. 171. 

 Electrotonus, see Anelectrotonus and Cat- 



electrotonus. 



Elements, chemical, behavior of, in metabo- 

 lism, 131 seq. 



necessary for animal body, 25, 26. 

 Elements of speech, 506. 

 Emmetropic eye, 519. 

 Emotions, rationalized, moral power of, 672. 



summoning influence of, on memory, 671. 

 Emulsion in intestine, 295, 296. 

 Encephalon, 600; see also Brain. 

 End products, of proteid digestion, 249. 

 End products, nitrogen equilibrium on, 124. 

 Endbrain, 600, 601 ; see- also Cerebrum. 

 Endolymph, in cochlea, 497, 498. 



movements of, in semicircular canals, 479, 



480. 

 Energy, conservation of, 2. 



in animal body, 93, 94. 



kinetic, 26. 



liberated, greater than energy of stimulus, 51. 



Energy, potential, measure of, in substance, 26. 

 of foodstuffs, 92. 



stored in processes of assimilation, 26. 

 transformation of, into external work, 113. 

 utilization of, in diet, 139. 



production of, in cells, 26. 



requirements of, of an adult man, 140. 

 of an adult woman, 143. 

 of children, 144. 



source of, in muscular work, 112, 113. 



total output of, in muscle, 439. 

 Entoptic phenomena, 521. 

 Enterokinase, 252, -255. 

 Enucleated cells, 18. 

 Enzymes, 38, 356. 



amylolytic, 243, 251. 



in bile, 254. 



in blood, 155. 



in liver cells, 375. 



in pancreatic juice, 251. 



lipolytic, 243, 253. 



measure of activity of, 245. 



precursors of, 244. 



preotolytic, 243, 252. 



properties of, 38. 



reversible processes of, 39. 

 Epididymus, 693. 



Epiglottis in swallowing, 281, Fig. 112; 282. 

 Epiglottis laryngoscopic picture of, 504, Fig. 



202. 



Epilepsy, cortical, 632, 641, 642, Fig. 291; 652. 

 Epilepsy in myxosdema, 360. 

 Epithalamus, 600. 



Equilibrium, loss of, after removal of cere- 

 bellum, 606. 



nitrogenous, 91, 100, 103, 120, 121, 122. 



of substance in body, 137. 

 Equimolecular solutions, 32, 33. 

 Erection, 588, 693. 



center of, 694. 

 Erepsin, 255, 305. 

 Ergograph, 443, 444, Fig. 179. 

 Ergographic record, 444, Fig. 180; 445, Fig. 



181. 

 Erlanger's apparatus, for determination of 



blood pressure in man, 203, Fig. 76. 

 Erucic acid, 130. 

 Erythrodextrin, 246. 

 Ethereal sulphates, 373, 379. 

 Eudendrium, 64. 

 Euglobulin, 154. 

 EustachSan tube, 498. 

 Evacuation of large intestine, 299. 



of stomach, 285. 

 Excitability, alterations of, 52, 425. 



by extraction of water, 53. 



influence of heat on, 58. 



Excitants, specific, in secretion, 264, 271, 

 275. 



