1308 



INDEX 



Movement, dependent on differences of sur- 

 face tension, 24 

 mechanisms of , 177-287 



of co-ordinated, 338- 



348 



sense of, 648 



Movements of eye, 409, 493-499 

 Mucins, 86, 103 

 Mucoids, 104 

 Mutter's law, 255, 481 

 Muscle, action of salts on, 210 

 of drugs on, 211 

 afferent, impulses from, 334 

 arrangement in frog's leg, 189 

 break-excitation of, 192 

 chemical changes in, 212218 

 ciliary, action of, 526 

 conditions affecting mechanical re- 

 sponse of, 205-211 

 contraction, 194-204 



arrested, 200 

 isometric, 197 

 isotonic, 197 

 osmotic theory of, 235 

 surface tension, theory 



of, 235 

 effects of ammonia on, 186 



of constant current on, 192 



of glycerin on, 186 



of length on contraction of, 



201 



of load on, 200-203 

 on polarised light, 182 

 of temperature on, 207 

 electrical changes in, 169, 224-233 

 energy of contraction of, 236 

 excitation of , 185-193 



time of, 271 

 extensibility of, 203 

 fatigue in, 208 

 heart-, 178, 272 

 of insects, 182 

 intimate nature of contraction of, 



234-238 

 involuntary, 178, 243-248 



' all or none ' law in, 



205 

 double innervation of, 



247 



influence of tempera- 

 ture on, 247 

 inhibition of, 248 

 propagation of excita- 

 bility in, 246 

 rhythmic contraction 



in, 244 



stimulation of, 244 

 structure of, 243 

 summation in, 245 

 irritability of, 184 

 latent period of, 198 

 make excitation of, 192 

 mechanical changes during contrac- 

 tion, 194-204 



methods of stimulating, 186-192 

 motor end -plate of, 182 

 oxidative changes in, 237 

 oxygen supply to, 1013 

 -plasma, 212 

 production of heat in, 219-223 



Muscle, production of lactic acid in, 215, 237 



of tension in, 202, 222 

 propagation of contraction in, 203 

 relation of energy of response to 



'energy of stimulus, 27 

 of tension to length, 202 

 rigor of, 208, 214 

 sartorius, 189 

 -sound, 241 

 -spindles, 334, 648 

 summation in, 206 

 ' threshold ' or liminal stimulus, 193 

 tone of, 654 

 -twitch, 194-201 



methods of recording, 194- 198 

 unstriated. See involuntary, 

 varieties of, 178 

 voluntary, chemical composition of, 



212 



contraction of, 239-242 

 propagation in, 204 

 refractory period of, 206 

 structure of, 177-184 

 Muscular energy, source of, 686 



exercise, effect on circulation, 1051 

 sense, 647 

 sensibility, 346 

 tone, 333 



effect of cerebellum on, 336, 



398 

 work, effect on metabolism, 683 



on respiratory quotient, 



686 , 



Musical scale, 615 

 Myelin, 58, 251 



Myelination in central nervous system, 319 

 Myogen, 213 

 Myographs, 194 

 Myopia, 534, 537 

 Myosin, 96, 212 

 Myosinogen, 212 

 Myxcedema, 1239 



NAG ELI'S THEORY OF PROTOPLASM STRUC- 

 TURE, 20 



Negative variation, 226 

 Neopallium, 416 

 Nerve, physiology of, 250-287 

 characteristics of, 271 

 chemical changes in, 256 

 conduction in, 253 

 degeneration in, 274 

 effect of temperature on, 258, 202, -1T,\ 

 electrical changes in, 172, 256 



stimulation of, 270-274 

 electrotonic change* in, 264 

 -endings, delay in, 276 



effect of curare on, 277 

 function of, 276 

 excitability of, 261 

 excitation of, 262-269 



influence of intrapolar 



length, 268 

 -time of, 271 

 fatigue in, 285 

 -fibre, degeneration in cord, 320 



regeneration of, 30 

 human, electric stimulation of, 268 

 -impulse, 253 

 influence of anaesthetics on, 260 



