INDEX. 



439 



Laryngeal nerves, iv. 323 

 Laryngoscope, larynx as seen by the, iv. 



313 

 Larynx, the. its conditon in respiration, 



548 



,, cartilages of, iv. 308 

 ,, superior aperture, iv. 309 

 ventricles, iv. 312 



,, uses of, iv. 332 



,, minute structure of parts of, iv. 



312 



,, muscles of, iv. 317, 322 

 ,, nervous mechanisms of, iv. 323 

 ,, respiratory movements of, iv. 323 

 ,, cortical area for movements of, 



iv. 326 



Laughter, mechanism of, 631 

 Lecithin, in stroma of red corpuscles, 33 

 ,, in white corpuscles, 41 

 ,, in the blood, 50 

 in muscle substance, 101 

 ,, in nervous tissue, 121 

 in milk, 781 



in yolk of egg, iv. 356 

 its composition, 121, 148 

 Lens, the, development of, iv. 4 

 ,, origin and structure, iv. 28 

 ,, mechanisms for changing curva- 

 ture of, iv. 31 

 ,, action of the suspensory ligament 



on, iv. 32 



Lenticular glands, 489, 491 

 Leucin, composition of, 428 



,, in intestinal contents, 476 

 ,, a product of nitrogenous meta- 

 bolism, 755 



,, its conversion into urea, 756 

 Leucocytes, in the lymphatic system, 44 

 ,, their origin, 45 



,, in connective tissue, 189 



,, in reticular tissue of intes- 



tine, 444, 448 

 ,, abundant in solitary follicles, 



489 



their multiplication by divi- 



sion, 490 

 ,, pigment occasionally found 



in, 495 



,, their presence in the villi, 518 



in the Malpighian 



layer, 688 

 ,, among epidermic 



cells, 698 

 of spleen, peculiarities of, 



739 



Leucocythfemia, increase of white cor- 

 puscles in, 46 



Levatores costarum, their work in re- 

 spiration, 546 

 Lieberkiihn, glands or crypts of, 442 



,, in small intestine, 448 



,, ,, succus entericus pro- 



bably furnished by, 

 449 



Lieberkiihn, glands in large intestine, 



451 

 Life, processes of, compared with those 



of death, 1 



its existence possible without or- 

 gans, 3 



,, periodic events of. iv. 412 

 ,, factors of, iv. 417 

 Ligamentum denticuktum, 1125 



,, nuchae, elastic fibres of, 190 



Ligament, suspensory, iv. 29 

 Light, as stimulus to visual apparatus, 



iv. 36, 71 



"intrinsic," of retina, iv. 97 

 ,, changes in retina produced by, 



iv. 71 

 ,, sensitiveness of living matter to, 



iv. 115 



,, decomposition of, iv. 84 

 Lips, tympanic and vestibular, of coch- 

 lea, i'v. 211 

 Lissauer's zone, 875 

 Listing, diagrammatic eye of, iv. 9 



,, his law, iv. 141 

 Liver, the, destruction of red corpuscles 



in, 36 



,, nerve supply to, 435 

 ,, blood supply to, 436 

 ,, ,, quality of as affecting 



bile secretion, 437 

 ,, structure of, 705 

 ,, lobules, 705 

 ,, Glisson's capsule, 707 

 ,, of frog, 711 

 ,, ,, lymphatics of, 712 

 ,, ,, storing of glycogen in, 717, 



722 



,, mammalian, 712 720 

 nerves of, 731 



,, nervous control of glycogenic func- 

 tion, 731 

 ,, "acute yellow atrophy" of, 748, 



755 



,, presence of urea in, 755 

 ,, conversion of leucin into urea in, 



756 



,, heat set free in, 808 

 ,, its action on lactic acid, 826 

 ,, foetal, deposition of glycogen in, 



iv. 388 



Living substance, food and waste of, 3 

 Locomotor mechanisms, iv. 342 

 Locus cseruleus of brain, 963, 982 

 Loose connective tissue, 188 

 Ludwig, his stromuhr, 220 



,, his mercurial gas pump, 554 

 Lungs, the, their function chiefly me- 

 chanical, 526 



structure of, in newt, 527 

 ,, ,, in frog, 528 



,, in mammal, 529 



,, ,, infundibula of, 530 



,, the trachea and 



bronchi, 530 



