1576 



INDEX. 



Irritability, influence of temperature on, 



145 

 blood-supply, 146, 



148 

 ,, functional activity, 



148 

 ,, presence of oxygen a condition 



of, 150, 154, 597 



,, prolonged, of heart, 282 



Irritants, inflammatory action of on 



tissues, 336 

 Islets, extra-vascular, 185 



Jaundice, how caused, 440, 748 

 Judgments of distance and size, how 



formed, 1299 

 of solidity, 1300 

 Juice, gastric, see Gastric juice 



,, pancreatic, see Pancreatic juice 

 ,, intestinal, see Succus Entericus 

 Jumping, how effected, 1484 



Karyomitosis of leucocytes, 490 



,, of cells of Malpighian layer, 688 

 Katabolic changes in living tissue, 41, 43 

 heat liberated by, 807 

 Katelectrotonus defined, 129 

 Kathode or negative electrode, 60 

 Keratin, its nature, 689 

 Key, galvanic, various forms of, 61 

 Kidney, the, structure of, 634 



tubuli uriniferi of, 636, 639, 641 

 ,, mammalian and amphibian 



compared, 643 



,, duplexity of its mechanism, 656 

 ,, vasomotor mechanisms of, 657 

 relations, various, of flow of 



blood through, 660 

 vaso- constrictor nerves of, 662 

 ,, vaso-dilator nerves of, 663 

 ,, effect of chemical changes in 



the blood, 664 



secretion by the renal epithe- 

 lium, 665 

 ,, double vascular supply to in 



amphibia, 666 

 ,, work of the epithelium of the 



tubules, 671 

 and skin, mutual relations of 



secretory activity of, 674 

 ,, its relations to water absorbed 



by the alimentary canal, 675 

 influence of central nervous 



system on, 677 



structure of pelvis of, 678 

 foetal, urea secreted by, 1528 

 Kilogram-meters, daily work of heart 



estimated in, 254 

 ,, energy of food and body and 



day's work estimated in, 803 

 Knee-jerk, 913, 926 

 Krause's membrane, 90 

 Kreatin, its presence in the blood, 51 

 chemical composition, 102 



Kreatin, in unstriated muscle, 159 

 in the thyroid, 762 

 ,, the product of muscle meta- 

 bolism, 751 



Kreatinin, its presence in urine, 650 

 ,, the urinary form of kreatin, 752 

 ,, difficulties presented by its pre- 

 sence in urine, 752 



Kymograph, Ludwig's, for recording 

 'blood-pressure, 208 



Labour, physiological division of, 6 



,, circumstances governing capa- 

 city for, 628 

 ,, increased production of heat 



from, 813 



,, diet with reference to, 845 

 "Labour," the events of, 1534 

 first stage of, 1534 

 ,, second stage of, 1535 

 causes determining its onset, 



1539 

 Labyrinth of ear, bony and membranous, 



1317 



perilymph cavity of, 1338 

 ,, ,, connections of auditory 



nerve with, 1339 

 ,, ,, general structure of coch- 



lear, 1340 



,, ,, minute structure of, 1349 

 ,, probable functions of, 1371 

 ,, ,, vestibular, parts of, 1336 

 ,, ,, ,, minute structure, 



1344 



,, probable func- 

 tions, 1376 

 ,, ,, the otoconia and otoliths, 



1348 

 ,, ,, transmission of impulses 



through the, 1370 



Lachrymal gland, structure of, 1312 

 Lactalbumin, 781 

 Lactation, nervous centre for, 787 

 Lacteal radicle of intestinal villus, 447, 



484 



,, passage of fat into, 512, 518 

 Lacteals, the, absorption by, 481 



,, chyle contained by, in fast- 

 ing animals, 497, 499 

 passage of products of di- 

 gestion into, 512 



Lactic acid, its presence in the blood, 51 

 ,, isomeric variations of, 99, 



note 



its effect on the heart, 303 

 ,, ,, fermentation, 477 

 ,, ,, a product of muscular meta- 

 bolism, 826 

 Lactoprotein, 781 



Lactose, ready fermentation of, 782 

 ,, its formation in the mammary 



gland, 786 



"Laky" blood, how formed, 32, 560 

 Lamina cribrosa, 1193 



