INDEX. 



1569 



Emission of sernen, the nervous centre 



for, 1511 

 Emotions, as affecting respiration, 588, 



597 

 ,, respiratory mechanism a means 



of expressing, 630 



,, their effect on secretion of urine, 677 

 ,, ,, ,, of saliva, 398 



,, ,, on splanchnic functions, 



1114 



Emulsion of fats, action of bile and pan- 

 creatic juice on, 425, 474, 516 

 End-bulbs, structure of, 1406 

 End-plates of nerves, probable action of 



urari on, 58 



,, ,, the two parts of, 119 



,, ,, their analogy with elec- 



tric organs of animals, 

 120, 155 



Endocardium, its structure, 197 

 Endolyrnph of semicircular canals, in re- 

 lation to coordinate move- 

 ments, 1011 

 ,, secretion of, in otic vesicle, 



1315 



,, nature of, 1348 

 Energy, potential, of bodies living and 



dead. 1 

 , , of living body expended in work, 



2, 805 



,, of dead body shewn as heat, 3 

 ,, renewed and set free by different 



tissues, 6 

 set free by breaking down of 



living substance, 1 

 ,, of muscle and nerve, 151-154 

 ,, of the body, income of, 801 

 ,, ,, ,, expenditure of, 803 

 ,, potential, of various diets, 801, 



833 



Entoptic phenomena, 1189 

 Ependyma, the, 953, 1021 

 Epidermis, structure of, 687 



,, prickle cells of, 688 

 Epididymis, 1503 



,, action of in emission, 1510 

 Epiglottis, the, 1446 



,, cushion of the, 1451 

 Epithelioid or endothelial cells of capil- 

 laries, 190, 191 

 Epithelium, ciliated, 162 



,, cells, their action in ab- 



sorption, 523 



,, renal, secretion by the, 665 



auditory, 1314 



,, germinal, 1492 



Equilibrium, nitrogenous, 795 



,, sense of, 1012 



Erect posture, how preserved, 1481 

 Erectile tissue, structure and action of, 



1508 



Erection of penis, see Penis 

 Eructation, composition of gases of, 473 

 Erythrodextrin, 359 



Eserin, pupil-contraction caused by, 1181 

 Evaporation, temperature of body regu- 

 lated by, 699 

 Eupnoea, 598 

 Eustachian valve in adult life, 229 



,, ,, in foetal life, 1529 



Eustachian tube, 1321, 1334 

 Excretin a isscal constituent, 480 

 Excretion, tissues of, 8 

 Exercise, effect of, on the muscles, 148 

 ,, on vascular mechanism, 



349, 350 



,, ,, on respiration, 627 



on the secretion of urea, 



805 

 ,, on the production of 



heat, 813 

 ,, production of carbonic acid 



increased by, 806 

 ,, visualdiscrimination increased 



by, 1221 

 ,, tactile perceptions increased 



by, 1415 

 Exhaustion of muscle and nerve tissue, 



143 



,, of muscles, 149 

 ,, auditory effects of, 1366 



Expiration, how effected, 547 

 Extractives, various, of spleen pulp, 743 

 ,, of the supra-renal body, 766 



of the thymus, 768 



,, their value in diet, 800, 837 



Eye, the, nature of movements caused by 



stimulation of cortex, 1079 

 ,, general structure, 1140 

 ,, development of, 1143 

 ,, structure of the investments of, 



1159-1168 

 ,, changes in during accommodation, 



1156 



,, sclerotic coat, 1159 

 ,, choroid coat, 1159 

 ,, suprachoroidal membrane, 1160 

 ,, ciliary processes, 1161 

 ,, iris, 1162 

 ,, cornea, 1163 

 ,, ciliary zone, 1164 

 ,, ,, muscle, 1164, 1166 

 lens, 1166 



,, ,, changes of curvature of, 1169 

 suspensory ligament, 1167 

 ,, humour of, vitreous, 1142, 1167, 



1308 



,, ,, aqueous, 1144, 1306 



,, diagrammatic, 1148 

 ,, accommodation of, 1151-1158 

 , , , , for far and near objects, 



1151 



,, ,, changes during, 1155 



,, ,, mechanism of, 1169 



,, ,, ,, nervous, 1183 



,, ,, associated movements 



in, 1184 

 ,, ,, imperfections of, 1185 



