Index 



235 



Phenylmercuric acetate, effect on 

 sperm, 57 



Phenylphosphate, as substrate for 

 phosphatase, 118 



Phosphatases, 1 17-23; see also acid 

 and alkaline phosphatase, 5- 

 nucleotidase, adenosinetriphos- 

 phatases and pyrophosphatase 



Phosphate {see also phosphorus 

 compounds), in semen and ac- 

 cessory secretions, 18, 21, 32-3, 

 107; in prostatic calculi, 132; in 

 diluents, 77-8, 80-1; effect on 

 sperm, 77; formation by phos- 

 phatases, 117-23, 167, 171-2; 

 esterification, 158 



Phosphoarginine, in sperm, 181 



Phosphocreatine, in sperm and 

 testes, 180-1 



Phosphofructokinase, 157 



1-Phosphofructose, 120, 121, 

 150 



6-Phosphofructose, 118, 120, 121, 

 150, 157 



Phosphoglucomutase, 150-1 



1-Phosphoglucose, 120, 150-1 



6-Phosphoglucose, 118, 120, 150-1, 

 157 



Phosphoglyceric acid, 158 



Phosphoglycerol, 117 



Phosphohexose isomerase, 121, 

 150-1, 157 



Phospholipids, in mammalian se- 

 men and accessory secretions, 

 32-3, 107, 125-3; in fish sperm, 

 124-5; metabolism, 127-30, 172 



6-Phosphomannose, 120 



Phosphopyruvic acid, 1 58 



Phosphorus compounds in semen 

 and accessory secretions, 20-1, 

 32-3, 36, 84-8, 99, 103, 107, 

 129-30, 155-9, 167, 170-3; see 

 also under individual compounds 



Phosphorylations, in lipid meta- 

 bolism, 129; in carbohydrate 

 metabolism, 10, 149-59 



Phosphorylcholine, in semen and 

 accessory secretions, 16, 119, 168, 

 170-3 



Phosphorylethanolamine, in pros- 

 tate, 20 



Phosphorylhesperidine, 98 



Phosphotriose, oxidation by sperm, 

 157-8 



Phosphotriose dehydrogenase, 158 



Physico-chemical properties of se- 

 men, 40-5 



Picrocrocin, in Chlamydomonas, 72 



Pigments, 22, 70, 72, 90-2 



Pike, nucleic acid, 105; esocine, 106 



Pilocarpine, effect on prostate, 18 



Pituitary gland, role in semen for- 

 mation, 66, 145-9 



Plants, chemotaxis and sperm-egg 

 interacting substances, 71-2; 

 sperm cytochrome, 92 



Plasmal, 101-2, 126-7 



Plasmalogens, 126-7 



Plasmin, 115 



Plasmolysis of spermatozoa, by 

 enzymes, 14; by chemical agents, 

 14, 85-6, 98 



Poisons, effect on sperm, 55-8; see 

 also inhibitors and spermicidal 

 substances 



Polymixin, in diluents, 81 



Porgy, sperm lipids, 124 



Post-sperm fraction, 35-8 



Potassium, in accessory secretions, 

 18, 21-3; in mammalian semen, 

 32-3, 36; in fish and sea-urchin 

 semen, 43^; relation to citric 

 acid, 44, 188; effect on sperm, 55, 

 74-7 



Preputial glands, 7-dehydrocholes- 

 terol, 133 



Pre-sperm fraction, 33-8 



Progesterone, androgenic effect, 

 144-5 



Prohn, in semen, 85, 106, 113 



Propionic acid, as substrate, 52 



Prostaglandin, 26-7 



