484 



ELECTRO-PHYSIOLOGY 



Anodonta, adductor muscle, tonus, i. 100 ; \ 



electrical excitation, 177, 187, 233 ; ! 



nerves, ii. 281 

 Anspruchsfahigkeit (capacity of response). ] 



See excitability 

 Antagonism, in cardiac innervation, i. 432 ; I 



ii. 103, 104 

 - muscular, flexors and extensors, ii. 96 ; ; 



constrictors and dilators of glottis, 



97 ; crayfish claw, 98, 185 



in nerves to crayfish claw, i. 434 ; ii. 



185 if. 



polar, of current, i. 264, 270 ff. ; ii. 138, 



144, 201 if. 



in sensory nerves, ii. 201 if. ; auditory, 



206 ; cutaneous sensory, 207 ; optic, 

 201, 205 ; taste, 201 



of vagus fibres in respiration, ii. 196 

 Apex-time and -height, i. 115 

 Arthropod muscles, i. 34 



Assimilation (and dissimilation) in living \ 



matter, i. 83, 433 ; ii. 201, 328 

 Auditory nerves, ii. 206 

 Avalanche increment of excitation, ii. 94 



theory (Pfliiger), ii. 94 



Axial current in nerve (du Bois-Eeymond), j 



ii. 229 

 Axis-cylinder, definition, ii. 34 ; mortifica- j 



tion, 232 ; structure, 46, 58 



as polarisable core, 307 



BAT, muscle-fibres, i. 32 ; twitch, character 



of, 63 

 Beetle, muscle structure, i. 34 ; nature of 



twitch, 63 ; tetanisatiou, 125 

 Bell's palsy, i. 181 

 Bernstein's experiment, on fatigue of nerve, 



ii. Ill ; on muscle wave, i. 373 

 Bifurcate experiment (Ku'hne), i. 430 ; 



ii. 57 

 Breach (Lilcke), ii. 211 ff. ; in opening 



twitches, 240 



Break and make induction shocks, in- 

 equality of physiological action, ii. 



123 ff. 

 Brush, Wagner's, ii. 361 



CANALISATION, ii. 56, 73 



Capillary electrometer, i. 401 ff. 



Carbonic acid, effect on nerve (Griinhagen), 



ii. 65 

 Cardiac innervation, i. 432 ; antagonism of 



inhibitor and accelerator fibres, ii. 



103 

 Cardiac muscle, chemical excitation, i. 106 



conductivity, i. 162, 397 



contraction, i. 58; time -relations, 58, 



162 ; contraction wave, 163 



electromotivity, during action, i. 397, 



432 ; during rest, 344 ; positive varia- 

 tion (Gaskell), 432 ; time-relations of 

 action current, 399 



Cardiac muscle, excised mammalian, i. 94 



polar law of excitation, i. 257 



reaction to constant current, i. 194, 257 



refractory period, i. 129 



rhythmical response, i. 195 



"staircase," i. 70 



structure of invertebrate, i. 20 ; verte- 



brate, 24 ff., 91 



summation of stimuli, i. 130 



temperature, effect of, i. 100 



tension, effect of, i. 79 



vitality, i. 91 



Cat fish. See Malapterurus 



Cell currents, in plants, ii. 29 ; theory of, 



i. 462, 508 



Central innervation, rhythm, i. 138 ff. 

 Central (and peripheral) nervous system, ii. 



78, 84 

 Cephalopoda, muscle-cells, i. 15 ; nerves, ii. 



259 ff., 286 

 Ciliated infusoria, i. 3 

 Circulation, action on nervous system, ii. 



77, 86 ; on vitality of muscle, i. 92 

 Closure contraction (persistent), i. 183, 



205 



Closure of current, general effects, ii. 266 ff. 

 Closure tetanus, ii. 117 ; secondary in- 



efficacy, i. 422 



Cnidaria, epithelial muscles, i. 10, 11 

 C0 2 on nerve (Griinhagen), ii. 65 

 Cohnheim's Areas in muscle, i. 29 

 Cold, action on nmscle, i. 97 ; on muscle 



current, 338 



on nervous conductivity, ii. -61 ; excita- 



bility, 95, 117 ; rettex excitability, 76 

 Columns of electrical organ, ii. 359 ff. : 



enumeration, i. 396 

 Compensator, round, i. 336 

 Conduction, in both directions, ii. 56, 74, 



251 



law of isolated, 56, 73 

 Conductivity, in cardiac muscle, i. 162, 



397 



in electrical organs, ii. 431 ; irreciprocal, 



456 



in muscle, i. 144 ff. ; red and pale 



muscle, 150 ; smooth muscle, 165 : 

 time -relations, 373 ; of electrotonic 

 alterations in muscle, 295 



in nerve, ii. 52 ft'. ; in nerve-cells, 66, 



69 ; in nerve-fibres, 52, 63 ; in afferent 

 nerves, 120 ; in afferent and efferent 

 fibres, 62 ; in electrotonised nerve, 147 ; 

 time-relations, 59 



and excitability (Griinhagen), ii. 62 ff., 



95 



theory, ii. 336 



Consonating springs (Helmholtz), i. 135 

 Constant current, action on cardiac muscle, 

 i. 194 ff., 228 



on electrical fishes, ii. 425 ff'. 



on muscle (smooth and striated), i. 174 ff., 



