Index 



111 



Cyclop terin, 106 



Cyprinine, 106 



Cysteine, effect on sperm, 58, 154, 

 176 



Cystine, in semen, 85, 87, 110, 

 113 



Cytochrome, in sperm, 14, 66, 87, 

 90-2; leakage from sperm, 10, 

 57, 83; role in metabolism, 90-2, 

 182 



Cytochrome oxidase, 14, 87, 90-2 



Cytometer, 39 



Cytoplasm of sperm, 85-7; baso- 

 philic character, 5; dehydration 

 changes, 7 



Cytosine, 100-1 



Deer, sperm lipids, 6 



Dehydration changes in sperm, 7-8 



7-Dehydrocholesterol, 133 



Dehydrogenase activity, 48, 87, 92 



Dehydro/j'oandrosterone, 68-9 



Deoxyribonucleic acid, in sperm, 

 87-8, 98-107; Feulgen reaction, 

 11, 100-1 



Deoxyribonucleoproteins of sperm, 

 5, 8, 11, 86, 98-100, 106-9 



Deoxyribose, 100 



Deproteinizing agents, 1 1 3 



Detergents, spermicidal properties, 

 50, 57; mode of action, 57 



Diabetes, effect on seminal fruc- 

 tose, 146-8 



Diamine oxidase, 167 



Diastase, 17 



Diazo reaction, 175 



Dichlorophenol indophenol, reduc- 

 tion, 23, 175, 179 



Diethyldithiocarbamate, as metal- 

 binding agent, 76 



Differential (live-dead) staining, 39, 

 60,63 



Diluents, 55, 73, 76, 79-82 



Dilution effect, on sperm, 54, 73-9 



2 : 4-Dinitrophenol, effect on sperm, 

 52, 56 

 16 



1 : 6-Diphosphofructose, dephos- 

 phorylation, 36, 118-21, 150; as 

 intermediary in glycolysis, 38-9, 

 150, 157 



Dirscherl-Zilliken reaction, 68 



Disintegration of sperm, 86-7, 

 100-2 



Dodecylsulphate, as spermicidal 

 agent, 50, 57 



Dog ampullar secretion, adrenaline, 

 181 



Dog prostate, adrenahne, 181; 

 choline-liberating enzyme, 170; 

 free amino acids, 20; hyper- 

 trophy, 20, 133; corpora amyl- 

 acea, 131-3 



Dog prostatic secretion, composi- 

 tion and properties, 17-18; 

 enzymes, 17, 115; lipids and lipid 

 bodies, 126, 131-3; effect on 

 sperm, 25 



Dog semen, volume and density, 2 

 physico-chemical properties, 28 

 41-44; composition, 33; tempera 

 ture effect on sperm, 62, 63 

 ethanol effect on sperm and fer 

 tihty, 56; resistance to dilution 

 78; hyaluronidase, 94; fibrino 

 genase, 28; acid phosphatase, 29 

 lipids, 126, 131; fructose and 

 citric acid, 33; respiration, 50: 

 effect of sugars on motility, 151-2 



Dogfish, fructose, 136 



Dry weight, of semen, 21, 32-3, 36, 

 84-5 



Echinarachnius parma (ssind-doWar), 

 cyanide effect on sperm, 92 



Echinochrome, 70 



Echinoderms, (see also sea-urchin 

 and sea-cucumber), sperm nu- 

 cleic acid, 104 



Echinus esculentiis {see also sea- 

 urchin) semen, density, 74; pH 

 44; dilution effect, 74; oxygen 

 effect. 74; glycogen, 5; nucleic 



