INDEX. 



1577 



Laryngeal nerves, 1461 



Laryngoscope, larynx as seen by the, 



1451 

 Larynx, the, its condition in respiration, 



548 



,, cartilages of, 1446 

 ,, superior aperture, 1447 

 ,, ventricles, 1450 

 uses of, 1470 



,, minute structure of parts of, 



1450 



,, muscles of, 1455, 1460 

 ,, nervous mechanisms of, 1461 

 ,, respiratory movements of, 1461 

 ,, cortical area for movements 



of, 1464 



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, 1494 

 its composition, 121, 148 

 Lens, the, development of, 1142 

 ,, origin and structure, 1166 

 ,, mechanisms for changing curva- 

 ture of, 1169 

 ,, action of the suspensory ligament 



on, 1170 



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 



Leucocythasmia, 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, 1550 

 ,, factors of, 1555 

 Ligamentum deuticulatum, 1125 



,, nuchffi, elastic fibres of, 190 



Ligament, suspensory, 1167 

 Light, as stimulus to visual apparatus, 



1173, 1209 



,, "intrinsic," of retina, 1235 

 ,, changes in retina produced by, 



1209 

 ,, sensitiveness of living matter to, 



1253 



,, decomposition of, 1222 

 Lips, tympanic and vestibular, of coch- 

 lea, 1349 



Lissauer's zone, 875 

 Listing, diagrammatic eye of, 1147 



his law, 1279 

 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, 



1526 



Living substance, food and waste of, 3 

 Locomotor mechanisms, 1480 

 Locus CEeruleus 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 

 ,, infuudibula of, 530 

 ,, the trachea and bron- 

 chi, 530 



