Index 



225 



chemical properties, 41-4, 60; 

 sperm structure, 1 1 ; gelation, 28, 

 35; protracted period of ejacula- 

 tion, and fractions, 28, 35-7; 

 nitrogenous compounds, 32; cit- 

 ric acid, 36, 184-8; creatinine, 

 phosphocreatine and phospho- 

 arginine, 180-1; ergothioneine, 

 36-7, 175-9; fructose, 32, 36-7, 

 136; lactic acid, 36; lipids, 32, 

 126; mineral constituents, 32, 36; 

 protein and proteose, 32, 113; 

 choline esterase, 173-4; hyalu- 

 ronidase, 94; respiration, 50, 60; 

 resistance to dilution, 78; time 

 required for spermatogenesis and 

 ripening, 178-9 



Boar vesicular secretion, contribu- 

 tion to semen, 35-7; composi- 

 tion, 20-4, 35-7, 175-6, 185, 191; 

 individual variations, 191; fruc- 

 tose, 35-6, 191; inositol, 190-2; 

 ergothioneine, 175-6; citric acid, 

 184-8; creatinine, 180; osmotic 

 equilibrium, 188, 192 



Boettcher crystals, 161 



Bombyx mori, sperm and accessory 

 secretions, 25 



Bouchon vaginal, 28-9 



Bracken sperm, 72, 92 



Broad helix, see mitochondrial 

 sheath 



Buffering capacity of semen, 40, 45 



Bull ampullar secretion, adrena- 

 line, 181; citric acid, 185; fruc- 

 tose, 16 



Bull semen, volume and density, 2; 

 dry weight, 32, 85; ash, 87; 

 physico-chemical properties, 7, 

 8, 41-5, 60; nucleic acid, 5, 105; 

 metabolism and its relation to 

 motility and fertihty, 45-53, 58, 

 77, 128, 152-4; seminal fractions, 

 38; time required for sperm to 

 reach the ovum, 9; sperm struc- 

 ture, 10-15; separation of sperm 



parts, 85-7; PAS-reaction, 12; 

 spermatogenesis and vitamin A, 

 72; malnutrition effects, 149; cas- 

 tration and hormone effects, 

 142-9; vasectomy effect, 113, 138; 

 androgen content, 68-9; diluents, 

 77-8, 80-2; composition, 32-5, 

 84-7; proteins and proteose, 32, 

 84-7, 110; sulphur, 85-7, 179; 

 amino acids, 85-7, 113; amino 

 acid oxidase, 117; phosphorus 

 compounds, 32, 125-8, 155, 180; 

 phosphatases, 120-3; hyaluroni- 

 dase, 94; iron, 88, 109; haematin, 

 88; catalase, 92; cytochrome, 90; 

 nitrogenous bases, 180-2; uric 

 acid, 32, 123; citric acid, 32-3, 

 184-8; inositol, 191; lipids, 125- 

 8; reducing substances, 23-4, 179; 

 fructose and fructolysis, 32-5, 

 46-8, 135-9, 152-4 

 Bull seminal vesicles, secretory 

 epithelium, 185; secretory func- 

 tion 16, 20, 34, 38, 137; hormonal 

 aspects, 137-42; role in fructose 

 formation, 16, 137-8, 142, 149-51 

 Bull vesicular secretion, composi- 

 tion, 20^; lipid, 133, 185; adrena- 

 line, 181; fructose, 138, 142; citric 

 acid, 184-8; flavin, 22; reducing 

 substances, 23-4; phosphatases, 

 118-23; xanthine oxidase, 123 

 Bursa copulatrix, role in insects, 9 

 Butylquinone, effect on sperm, 57 

 Butyric acid, as substrate, 52 



Calcium, 18, 21, 32-3, 36, 77, 132, 

 188 



Cap (sperm-cap), 12-13 



Capacitation, 8-9 



Carbohydrate {see also individual 

 sugars), in gynogamone, 71; in 

 semen, 21-4, 30-8, 135-7; meta- 

 bolism, 45-53, 134-59 



Carbon dioxide, see bicarbonate 



Carbonic anhydrase, 19, 87, 89 



