736 



INDEX 



Mouth, digestion in, 290. 



sections of floor of, 281, Fig. 112. 

 Mouth cavity, closure of, in sucking, 279. 

 Movements, active, perception of, 471. 

 associated, 473. 

 coordination of, 473. 

 passive, perception of, 469. 

 voluntary, 449. 



how acquired, 450. 



regulation of, 472. 

 Movements of abdominal organs in respiration, 



316, Fig. 125. 

 of alimentary canal, 278. 

 of diaphragm, 316, Fig. 125. 

 of elementary organisms, 42. 

 of eyes, 549; see Eye movements. 

 of intestine, 286. 

 of larynx, in deglutition, 281. 



in respiration, 312. 



in vocalization, 503. 

 of oesophagus, 279. 

 of ribs, 314. 

 of stomach, 283. 



of vocal cords, in respiration, 312, 504, Fig. 

 202. 



in vocalization, 503, Figs. 200, 201 ; 505. 

 Muscle, cross-striated, functions of, 410. 



absolute power of, 438. 



action currents in, 48, 431. 



afferent nerves of, reflexes through, 470. 



blood supply to, 240, 449. 



central innervation of, 440. 



chemical changes in, due to activity, 434. 



chemistry of, 413. 



curves of, 7, 414, 415, 417; see also under 

 Curves. 



degeneration of, 448. 



effect of veratrin on, 437, Fig. 175. 



elasticity of, 412, Fig. 150; 413, Fig. 152. 



electrical phenomena of, 47, 431. 



fatigue of, 441 seq. 



general properties of, 410. 



glycogen in, 81, 125, 374, 413. 



heat formation in, 402, 404, 439. 



latent period of, 415, Fig. 154; 416. 



mechanical work of, 435, Fig. 172. 



musical tone produced by contraction of, 

 434. 



permeability of, to solutions, 34. 



polar law of excitation of, 428. 



Pfliiger's law of contraction of, 423. 



relation of, to other organs, 448. 



red and white, comparison of, 416. 



rigor of, 447. 



signs of activity in, 431. 



simple contraction of, 415; see also Con- 

 traction. 



stimulation of, 414. 

 , summation in, 415, 429. 



Muscle, cross-striated, tetanus of, 429, Fig. 166; 



430, Fig. 167; 433; see also Tetanus. 

 tonus of, demonstration of, 581. 

 variations in tension of, 414, Fig. 153. 

 voluntary contractions of, 430. 

 work done by single contraction of, 435. 

 work done in tetanus of, 439. 

 smooth, general physiology of, 447. 

 Muscles, see under individual names, 

 skeletal, afferent nerves of, 470. 

 motor nerves of, 682. 



tonus of affected by removal of semicir- 

 cular canals, 477. 

 Muscular sense, 469 ; see also Motor sensations. 



cortical area of, 652. 



Muscular work, CO2 production in, 112. 

 central nervous system and, 448. 

 destruction of nonnitrogenous substances in, 



112. 



of proteid in, 111. 

 effect of, on circulation, 449. 

 on digestion in stomach, 293. 

 on formation of living substance, 63. 

 on heart beat, 197. 

 on respiration, 318. 

 in tetanus, 439. 



maximum capacity for, in man, 447. 

 metabolism in, 110. 

 ratio of, to heat production in muscles, 



440. 

 regulation of, by muscles themselves, 437, 



439. 



Musical agraphia, 665. 

 Musical aphasia, 665. 

 Musical faculties, 665. 

 Musical tone, 489. 

 Muciri, 245. 



composition of, 82. 

 in bile, 253. 

 in saliva, 245. 

 Mucins, 74. 

 Mucoids, 74. 

 Mucous glands, 245. 



morphological changes in, 262, Fig. 102. 

 Myelencephalon, 600, 602. 

 Myelogenetic areas, of cerebrum, 666, Fig. 



297; 667, Fig. 298. 



Mylohyoid muscles, importance of, in degluti- 

 tion, 280. 

 Myochrome, 414. 

 Myogen, 413. 

 Myogram, 8. 



Myopia, 519, Fig. 215, 520. 

 Myosin, 413. 

 Myosinogen, 413. 

 Myristinic acid, 701. 

 Myxcederna, 358. 



Myxcedematous woman, 359, Fig. 137. 

 Myxomycetes, 27. 



