INDEX 



1411 



Muscle, respiratory quotient, 244 

 source of energy, 243 

 stimulation by constant current, 207 



215 



thickening of, 222 

 utilisation of energy, 249 

 voluntary of, 197 



structure, 199 

 white, 202 



Muscle- current, 189, 252, 256, 258 

 Muscle-curve, correction of, 220, 233 

 Muscle fibre, 199 



reversal of stripes, 203 

 Muscle- fibrillse, 199 

 Muscle-plasma, 237 

 Muscle-sound, 267 

 Muscle- spindle, 672 

 Muscle- twitch, 214, 217, 222 

 Muscle- wave, 225 



Musical notes, vibration frequencies, 568 

 Muscular afferents, 672 



contraction, ' all or none ' pheno- 

 menon, 230 



Engelmann's theory, 263 

 effect of drugs, 236 

 of fatigue, 234 

 of load, 231 

 of salts, 235 

 of temperature, 233 

 of tension, 250 

 heat production in, 248 

 latent period of, 222 

 Macdougall's theory, 264 

 mechanical changes in, 217-229 

 nature of, 263-265 

 optical method, 221 

 osmotic theory, 264 

 point of stimulation, 218 

 Schdfer's theory, 203 

 strength of stimulus, 230 

 time -relations of, 222 

 voluntary, 266 



electrical changes in, 269 

 record of, 268 



contractions, summation of, 226 

 energy, source of, 713 

 exercise, effect on circulation, 1099- 



1102 



movements, co-ordination of, 389 

 relaxation, 222 

 sense, 671 



psychology of, 673 

 sensibility, paths, 503 

 tone, 377, 507 



relation to labyrinthine sensa- 



. tions, 678 

 work, energy exchanges in, 715 



effect on metabolism, 713 

 Muscularis mucosse of small intestine, 828 

 Musculi papillares, 1006 

 Musculus vocalis, 581 

 Myelencephalon, 408, 441 

 Myelocytes, 920 

 Myelination, 282 

 method, 360 

 Myelin sheath, 280-282 

 Mylohyoid of frog, 205 



Myogen, 238 



fibrin, 238 



Myogenic movements of intestine, 818 

 Myohsematin, 238 

 Myopia, 595 

 Myosin^ 108, 238 

 Myosin fibrin, 238 

 Myosinogen, 237 

 Myristic acid, 59 

 Myxoedema, 1327 



NASAL consonants, 586 

 Near point, 599, 608 

 Nectocysts, 35 

 Negative after-image, 639 



polarisation of nerve, 317 

 variation, 253 

 ventilation, 1217 

 Negativity, 257 

 Neopallium, 471 



evolution of, 474 

 Nerve, core model, 316 



double conduction, 284 

 electrotonic current, 315 

 electrotonus, 297 

 endoneurium, 281 

 excitability, <' characteristic ' of, 



295, 305 



effect of temperature on, 308 

 fatigue in, 290, 320 

 galvanic excitation, 295 

 human, stimulation, 302 

 law of forward direction in, 330, 350 

 negative polarisation, 317 

 neurilemma, 281 

 nodes of Ranvier, 281 

 non-medullated, 281 

 polarisation in, 315 

 positive polarisation, 317 

 primitive sheath, 281 

 unipolar excitation, 302 

 Nerve- axon, 280 

 Nerve-block, 299 

 Nerve-cell, automaticity of, 353 

 functions of, 351 

 Golgi net, 339, 348 

 NissVs granules, 337 

 pericellular network, 348 

 structure of, 337 

 Nerve-centres in medulla, 443 

 Nerve- current, Macdonald's theory, 192 

 Nerve-fibres, 279-323 



excitation of, 294 

 size of, 281 

 structure, 279 

 Nerve- impulse, 283 



electrical changes accompanying, 



287 



influence of drugs on, 292 

 velocity of, 283 

 effect of temperature on, 289 

 conditions affecting, 289 

 Nerve-injury, effect of, 309 

 Nerve-trunk, composition of, 369 

 Nerves, cranial, 463 



nuclei of, 426, 463-469 

 grafting of, 285 



