492 



ELECTRO-PHYSIOLOGY 



Torpedo, electrical organ, ii. 360 ft'. ; inner- 

 vation, 362 



viviparous development, 380 

 Tortoise heart, i. 433 ; muscle, 59 ff., 124 

 Total excitability of muscle (v. Bezold), 



i. 280 



Transmission of excitation, in leaves of 

 diontea, ii. 26 



and contraction wave, in muscle, i. 147, 



373, 374 



in nerve, ii. 59, 65 



Transverse excitability of muscle, i. 199 ; 



ii. 134 ; of nerve, 132 ; of protozoa, 



134 

 Transverse resistance of muscle, i. 200 ; of 



nerve, ii. 305 

 Transverse section (artificial), effect on 



excitability, ii. 94, 156 ; on opening 



excitation, i. 330 ; ii. 162 ; on polar 



excitation by current, i. 217 ; ii. 156 ; 



on total excitability, i. 227 



relation to muscle current, i. 322 

 Treppc. See Staircase contraction 

 Triphasic wave in gastrocneniius, i. 387 

 Twitch, cardiac, i. 58 ; composition of, 



55 ; isotonic and isometric, 82 ; para- 

 doxical, ii. 271 ; summation of stimuli, 

 i. 421 if. 



secondary, i. 361 ; effect of tension in 



primary muscle, 413 ; position of 

 secondary nerve, 417 ; with direct and 

 indirect excitation of primary muscle, 

 416 



UEBERLEBEX. See Vitality 

 Under-propping, effect on twitch, i. 121 

 Unipolar excitation of cardiac muscle, i. 

 231 ; of nerve, ii. 154, 219 



Unterstiitzung. See Under-propping, After- 



loading 



Ureter, electrical excitation, i. 180, 251 ; 

 mechanical excitation, 167 ; effect of 

 polarisation, 294 ; effect of tension 

 upon contraction, 80 



VAGUS, action on heart, i. 433 ; antagonism 

 of respiratory fibres, ii. 104 ; excitation 

 by constant current, 120 ; polar inhibi- 

 tion, 194 



Vascular nerves, antagonism of constrictors 

 and dilators, ii. 104 ; excitability, 104 



Veratrin, action on polarisation, i. 454 ff. ; 

 on striated muscle, 107, 265 



Verlanf (Contractions). See Time-relations 



Visual stimulation, ii. 202 



Vitality of cardiac muscle, i. 91 ; of smooth 

 muscle, 92 ; of nerve, ii. 89 ; of 

 retina, 479 



Voltaic alternative, in muscle, i. 224, 292 ; 

 in nerve, ii. 151, 239 



Von Fleischl's rheonome, ii. 128 



Vorticella, stalk muscle, i. 4 



WAGXEK'S brush, ii. Stil 



Walleriau degeneration, ii. 91 



Water rigor, i. 357 ; not true rigor mortis. 



358 

 Worm muscles, i. 12 ; electrical excitation 



of cutaneous muscular integument, 



240 ff. 



ZWEIGIPFEL VERSUCH. 



periment 



See Bifurcate ex- 



THE END 



l>y R. it R. CLARK, LIMITED, Edinburgh. 



