382 



INDEX. 



Heart, nerves of, in mammal, 295 



,, contraction, features of, 300-305 

 Heat given out by contracting muscle, 



106 



Helmholtz's magnetic interrupter, 68 

 Henle's sheath of nerve fibre, 121, 177 

 Hermann on muscle currents, 112 

 Histohaematin in red muscle, 100 

 Hurthle, membrane manometer of, 244- 



246 



,, tracings of ventricular and 

 aortic pressure by apparatus 

 of, 253, 254, 258, 259, 284 

 ,, differential manometer of, 254 

 ,, maximum and minimum mano- 

 meter of, 261 

 ,, tambour sphygmoscope of, 270 



Impulses, nervous, 58, 125 



,, ,, nature of, 157 



,, cardiac, 259 



Induction coil, construction of, 63 

 Inflammation, phenomena of, 356 

 Infusoria, ciliary motions in, 167 

 Ingestion of matter by cells, 47, 48 

 Inhibition, cardiac, phenomena of, 306 



et supra 

 ,, fainting a result of, 314, 



368 

 ,, ,, effect of atropin on, 



318-320 

 Inhibitory nerves, 186 



,, fibres in vagus of frog, 309 

 ,, ,, in vagus of mammal, 



311 



,, ,, cardiac, continuous .ac- 



tion of, 314 



,, ,, their analogy with vaso- 



dilator fibres, 331 

 Inogen, or 'contractile material of 



muscle,' 155, 156 

 Insect muscles, fibrillae of, 92 

 Interfibrillar substance of muscle, 92, 



93 



Intermediate line, in muscle fibre, 94 

 Intermittence, cardiac, 322, 368 

 Interrupter, magnetic, 67 

 Intrinsic tone of artery walls, 348 



^ ^ regulation of the heart, 366 

 Irritability, muscular and nervous, 57- 



85 



their mutual indepen- 

 dence, 58, 147 



,, diminution and disappear- 

 ance of, after death, 84 

 as affected by electrotonus, 



130 

 ,, circumstances determining, 



145 

 ,, centrifugal loss of, in severed 



nerve, 146 

 ,, influence of temperature on, 



148 

 ,, of blood supply on, 149 



Irritability, influence of functional ac- 

 tivity on, 150 



presence of oxygen a condi- 

 tion of, 152, 156 

 ,, prolonged, of heart, 299 

 Irritants, inflammatory action of, on 

 tissues, 357 



Katabolic changes in living tissue, 41, 



43 



Katelectrotonus defined, 131 

 Kathode or negative electrode, 61 

 Key, galvanic, various forms of, 62 

 Krause's membrane, 92 

 Kreatin, its presence in the blood7"51 

 ,, chemical composition, 104 

 ,, in plain muscle, 161 

 Kymograph, Ludwig's, for recording 



blood pressure, 210 



Labour, physiological division of, 6 

 Lactic acid, its presence in the blood, 



52 

 ,, isomeric variations of, 101, 



note 



Laky blood, how formed, 32 

 Lecithin, in stroma of red corpuscles, 33 

 in white corpuscles, 40 

 ,, in the blood, 52 

 ,, in muscle-substance, 103 

 ,, in nerve tissue, 123 

 Leucocytes, in the lymphatic system, 44 

 ,, their origin, 45 



,, different forms of, 189 



,, in connective tissue, 191 

 Leucocythaemia, 1 increase of white cor- 

 puscles in, 46 

 Life, processes of, 1 

 Liver, destruction of red corpuscles in 



the, 36 



Living substance, food and waste of, 3 

 Ludwig, stromuhr of, 223 

 Lymph, the, a medium of exchange 

 between blood and tissues, 

 13, 14, 193 



salts present in, 41 

 ,, migration of white corpuscles 



into, 358 



,, coagulable, in inflammation, 

 358 



Magnetic interrupter, 67 

 Making and breaking currents, 61-69 

 ,, ,, contractions with the 



constant current, 128 

 Manometer, for measuring blood pres- 

 sure, 206 

 ,, maximum and minimum, 



260, 261 

 of Gad, 246 

 of Krehl, 246 

 of Fick, 270 



Medulla of nerve-fibre, structure of, 118, 

 119 



