GENERAL INDEX. 



537 



Internal secretion of the kidneys, i. 274 



of the liver, i. 265 

 of the ovaries, i. -'71 

 of the pancreas, i. 266 

 of the pituitary body, i. 273 

 of tlie testis, i. 273 

 of the thyroids, i. 270 

 Intestinal contents, reaction of, i. 310 



digestion, i. 299 



juice, i. 243 



movements, i. 382-385 

 Intestines, innervation of, i. 3a4 



intrinsic nervous mechanism of, i. 384 



large, absorption in, i. 314 



pendular movements of, i. 384 



peristalsis of, i. 382 



putrefactive changes in, i. 310 



small, absorpl ion in, i. 313 



vaso-motor nerves of, i. 206' 

 Intracardiac pressure, i. lo7, 1 25, 126 



methods of measuring, i. 129, 130 

 Intracranial pressure, relation of, to blood-pres- 

 sure, ii. 287 

 Intra-ocular images, ii. 320 

 Intrapolar region, ii. 62 

 Intrapnlmonary pressure, i. 408 

 intrathoracic pressure, i. 397, 409 

 Intravascular clotting, i. 60, ' > 1 

 Intrinsic nerves of the heart, i. 148 

 Introductory contractions of a contraction series, 

 ii. 1*13 



peak of tetanus curves, ii. 124 

 Inversion of retinal images, ii. 305 

 Invertase, occurrence of, i. 308 

 Invertebrates, conduction in the nerves of, ii. 91 

 Invertine, definition of, i. 280 

 Involuntary muscles, rigor mortis of, ii. 162 

 Iodine, i. 509 



Iodothyrin, properties of. i. 270 

 Ionic theory of solutions, i. 67 

 Ion-proteid compounds of muscle, ii. 168 

 Iris, dilator nerves of, ii. 324 



direct response to light by, ii. 324 



innervation of, ii. 323 



movements of, in accommodation, ii. 309 

 rate of, ii. 325 



muscles of, ii. 323 



relation of, to spherical aberration, ii. 315 

 Iron, amount of, in haemoglobin, i. 39 



excretion of, i. 530 



inorganic absorption of. i. 529 



nutritive history of, i. 528 



occurrence of, i. 528 



salts, excretion of, i. 356 

 nutritive value of, i. 356 



synthesis of, into haemoglobin, i. 529 

 Irradiation in the retina, ii. 349 



of medullary centres, i. 201 



of nerve-impulses in the central neivous sys- 

 tem, ii. 208 

 Irrigating fluids for the isolated heart, i. L89, 



191 

 Irritability, definition of. ii. 20, 23 

 effect of blood-supply on. ii. 66 



of constant current on, ii. 62 



of repeated stimuli on, ii. •>."> 

 of living matter, i. 18 

 of muscle, ii. 25 

 of nerve-fibres, ii. 21 

 of nerves, ii. 2 1 



ami muscles, conditions affecting, ii. 55 



effect of section on, ii. 69 

 of ova, ii. 22 

 Irritants, classification of, ii. 23 

 conditions determining their efficiency, ii. 28 

 effect of, on irritability, ii. 55 



of variations in strength of, ii. 39 



Irritants, relation of, to the response, ii. 24 



[schsemia of heart muscle, i. l-i 



[schio-cavernosi muscles, ii. 449 



[schio cavernosus, action of, in erection, ii. 464 



Iso-butyl alcohol, i. 539 



Iso-butyric acid, i. 7>:;'.i 



Iso-dynamic equivalence of foods, i, 365 



Isolated apex of frog's heart, i. 1 — 



conduction in nerve-trunks, ii. 79 

 Isolation of the heart, i. 148, 191 

 Isomaltose, i. 565 



isometric contractions, definition of. ii. 110 

 l-ii pent; 1 alcohol, i. 539 

 isotonic contractions, definition of. ii. llo 



solul ions, i. 36, on 

 Isotonicity, i. 36, 68 



Isotropic substance of muscle-fibres, ii. 104 

 Iso- valerianic acid. i. .">39 



.1 \i n dick. i. 249, "'1 1 

 Jecorin, i. 564 



Joints, classification of, ii. 415 

 .lumping, ii. 420 



K.vkvokinksis, i. 20 



Karyokinetic figures in mature nerve-cells, ii. 



202 

 Katabolism, definition of, i. 19 

 Katelectrotonus, ii. 62 

 Kathodal contraction, ii. 35 

 Kathode, physical definition of, ii. 52 



physiological definition of. ii. 52 

 Keratin, i. 580 

 Ketoses, definition of, i. 561 

 Keys, electric, ii. 30 

 Kidneys, blood-flow through, i. 255 



histology of. i. 2 19 



internal secretion of. i. 274 



nerve-endings in. i. 251 



vaso-motor nerves of, i. 207. 256 

 " Klopf-versuch " of Goltz, i. 175 

 Knee-kick, reinforcement of, ii. 222 

 Krause's membrane, ii. 104 

 Kymograph, i. 89 



Labia majora, ii. 462 



minora, ii. 462 

 Labial consonants, ii. -137 

 Labio-dental frictionals, ii. l">- 

 I. allium tympanicum of tin- internal ear. ii. 377 



vesl ibulare of (he limbus, ii. 377 

 Labor, nature of, ii l-l 



stages of. ii. i t; • 

 Labor-pains, ii. 179 



Labyrinth of the ear, anatomy of. ii. 371 

 Lactalbumin, i. 261 

 Lactation, ovulation during, ii. 156 

 Lacteal vessels, i. ."I - 

 I .acteals, absorpl ion t hrough, i. 31 1 

 Lactic acid, i 545 



fermental ion, i. ."> 15 



occurrence of, in the stomach, i. 289 



of muscles, ii. 10- 



Lacto globulin, i. 261 



Lac; ose, i 202. 565 



Laky blood, i. 35 



Lamina spiralis, ii. 372 



Laminae of medullar; tube in the foetus, ii. 205 



Langerhans, bodies of, i. 232 



I ianol in. i. '.'."'7. .">7."> 



Larue intestine, digestion in. i. 309 

 Laryngeal muscles, specific action of. \\. ij- 

 oerve, recurrent, ii. 128 



superior, ii. 128 

 Laryngoscope, ii. 129 

 I. :n vii \. carl ilages of. ii. 12.". 

 closure of. during muscular effort, ii. 123 



