INDEX 



733 



Egg albumin, 77, 88, 89, 190, 316-7, 



332, 333, 374-5, 379 

 Eggs- 

 Development of, in saline solutions, 



99, 102-3 



Respiration in, 569 

 Electrical energy, conversion into ' 



chemical, 49 



Electrical potential of the air, 212-3 

 Electrolytes 



Absorption of, 641, 643 

 Action of, on living cells, 627-32 

 Emaciation in diabetes, 369 

 Embryo 



Glycogen in, 323 

 Respiration in, 569-70 

 Emulsin, 65, 69-72, 75, 95, 114, 116 

 Emulsified fats, 277 

 Energy 



Chemical. See Chemical transfor- 

 mations 



Conservation of, 2, 4 

 Equilibrium of, 18-19 

 Food, relation to, 201-2, 286, 303-5 

 Muscular, sources of, 502 

 Types of, 6 



Energy transformations 

 Agents of, 5-6 

 Ancient fallacies as to, 4 

 Catalysts, influence of, 44-8 

 Cycle of, in living organisms, 



15-16 

 Enzymes and cells, comparative 



action of, 49-50 

 Equations governing, 21-34 

 Estimations of, 17-19 

 Living matter, typical of, 3-13, 



16-17, 138 

 Organic and inorganic matter, in, 



1-2 



Secretion, in, 159 et seq. 

 Enterokinase, 108-11, 188, 340 

 Environment, influence of, 9 

 Enzymes 



Action of acids, alkalies, and neutral 



salts on, 98-100 

 Anti-enzymes, 107 

 Antiseptics and other poisons, 



action of, 103-5 

 Cells and, 127, 135 

 Chemical nature of, 117-8 and note 

 Colloidal, 132-3 

 Concentration and activity, 65- 



72, 76, 78-9, 82, 85-91 

 Conditions of reaction of, 65-6, 



68 

 Energy transformers, as, 5, 49, 50, 



52 



Inorganic use of term, 118-20 

 Inorganic catalysts and, 87 

 Intracellular, separation of, 11 

 Mode of action, 43-4, 131-2 



Enzymes (continued] 



Reversibility of action of, 32-4, 40, 



55, 76, 79-82, 85 

 Selective action of, 114-6 

 Separation of, 117-8 

 Sunlight, effect of, on, 97 

 Temperature changes on 93-5 

 Velocity of action, 43-4, 47-8, 64-85 

 Zymogens for, 108-9 



Epithelial cells, absorption through, 

 643-4 



Epitheliolysins, 464-5 



Equilibrium in solution 



Concentration, effect of, 31-2, 36 

 Changed chemical energy, effect 



of, 36-40 



Equations for, 24, 27-31, 34 

 Temperature, effect of , 37, 40-1 

 Velocity of reaction near point of, 

 43-8, 80 



Erepsin, 621 



Esters, 33, 39, 112 



Ethyl acetate, 39 



Ethyl alcohol, 40 



Ethyl butyrate, 32, 33 



Ethyl formiate, 39 



Ethyl hydrogen sulphate, 39 



Ethyl oxalate, 39 



Excretion, 12-13, 139, 142 



Exercise, effects of, 498-503 



Exophthalmic goitre, 581 



Expired air, 483, 485-7 



Explosions, spontaneous, 112-3 



FASTING metabolism, 287, 503-7 

 Fat- 

 Absorption of, 156, 278-83, 657-8 

 Blood, action of, on, 281-2 

 Cold, effect of, on, 285 

 Combustion of, in hibernating 



animals, 488-9 

 Composition of animal, 275 

 Conditions favouring growth of, 



264 



Determination of, 276 

 Digestion of, 277-9 

 Distribution of, 275 

 Energy derived from, 272, 303-5, 



502 

 Feeding, quantitative relations of, 



302-3 



Nature of, 277 

 Metabolism of, 283 et seq. 

 Metabolism of body, effect on, 



305-6 



Neutral, 30-4, 275-283 

 Origin of, 290-302, 306-9, 315 

 Percentage composition of, 284 

 Products of, in diabetes, 373-4 

 Quantitative estimation of, 276 

 Respiratory exchange, influence 



on, 506 



