SUBJECT INDEX 



1573 



Ovulation (vonf.) 

 fowl {ront.) 



proj,r,,st(M<)i.(' and. 1130-1133, 1150, 1277-1278 

 temporal relation to oviposition, 114(5-1152 

 guinea piji, induction of, 505 

 hypophyseal ^onadotrophins and, 246, 248, 450, 



"513 

 hypophyseal portal vessels and, 523 

 hypothalamo-hypophyseal interactions and, 



540-541 

 hypothalamus and, 520-523 

 interval after gonadotrophin release, 514 

 mammals, temporal relation to estrus, 1187 

 man, time of, 457 

 mechanism of, 449, 456-457 

 monkey, time of, 558 

 Mustelidae, copulation and, 533 

 nervous system and, 520-523 

 neurohumoral control, 541 

 priming action of estrogen, 516, 518 

 progesterone and, 260, 267-268, 271, 506, 517- 



518, 527-528, 531, 1005, 1132-1133 

 rabbit 



electrical stimulation and, 278 

 epinephrine and, 524 



estrogen-progesterone synergism, 518-519 

 norepinephrine and, 524 

 protein deficiency and, 684 

 rhinencephalon and, 523 

 sequence of events, 521-522 

 rat 



androgen and, 269 

 progesterone and, 521 

 reflex stimulation of, 498-499, 517, 520 

 reptiles, seasonal occurrence of, 1049-1050 

 reticular activating system and, 520 

 sheep 



olfaclory stimuli and, 277 

 visual stimuli and, 277 

 stimulation of genitalia and, 520 

 temporal relation 

 to estrus, 513-514 

 to ovum maturation, 816, 818 

 tuber cinereum and, 278 

 vaginal stimulation and, 517 

 without estrus, 503 

 Xenopus, androgen and, 1046 

 Ovulation-oviposition cycle, fowl 

 activity and, 1149, 1150 

 feeding and, 1149 

 light and, 1149 

 regulation, 1146-1152 

 Ovum 



activation, 827, 837 

 age at fertilization 



and developmental defects, 848-850 

 and sex ratio, 848 

 amphibia, transport in female, 1051 

 and follicular growth, 807 

 biochemical components, 810-811 

 changes following penetration of sperm, 840-841 

 collection of, 798-799 

 culture of, 799-800 

 cumulus-cell dispersal, 828, 829-831 

 cumvdus oophorus and sperm ])enetration, 830 

 cytoplasmic components, 808-810, 813-814 

 development of perivitelline space, 812 

 dogfish, estradiol-17|3 in, 1070 

 fate of unfertilized, 836-837 

 fertilizable life, 849-850 



fowl, deposition of membranes, 1122-1123, 1147 

 Fundulus, delayed hatching and development, 

 1070 



Ovum (cant.) 

 growth, 807 



deposition of yolk, 1116-1117 



independence of follicle-stimulating hormone 

 243,245 



temporal relation to follicular growth, 807 

 maturation divisions, 816-817, 837-838 



gonadotropliins and, 817 



sperm ])enet ration and, 829, 835 



temporal relationship to ovulation, 816, 818 

 mucous (albuminous) coat, 815-816 



and penetration of sperm, 815 



chemical properties, 816 



formation, estrogen-progesterone and, 815 

 polarity, 811 



postovulatory corona radiata, 818 

 size, 811-812 



sperm penetration, 822, 834-835 

 transfer, 800-801 

 tubal, 828 



progesterone and, 826 



transport, 819-823, 845-846 

 vitamin content, 686 

 yolk distribution, 811 

 zona pellucida 



formation, 449, 811-813 



physicochemical properties, 814-815 



sperm penetration of, 832-833 

 Oxytocin 



and galactopoiesis, 628-630 



and hypophyseal gonadotrophin secretion, 512 



and lactation, 284, 537 



and luteotrophin secretion, 628 



and luteolysis, 537 



and mammary gland involution, 598 



and milk-eje'ction, 272, 609-610, 621-625, 630, 



1323-1325, 1341 

 and parturition, lOlS-lOKi, lOlS 

 and prolactin secretion, 272, 62S (;30, 1329-1330 

 and pseudo])regnancy in rats, 272 

 and sperm transport in female, 732 

 and uterine contractions, 732 

 bioassays using fowl, 1153-1154 

 plasma concentration, 623 

 release during coitus, 732 

 secretion, suckling and, 272, 1329-1330 

 Oxytocinase 



Paedogenesis, in salmon parr, 1036 

 Paqellus 



hermaphroditism, 1063, 1064 



sex reversal, 1064 

 Pair formation, Larinae, sequence of behavior, 



1242 

 Palade granules in adenohypophysis of rat, 214, 222 

 Pan satyrus (see Chimpanzee) 

 Pantothenic acid 



deficiency and developmental mortality, 692 



in cod ovaries, 686 

 Pan trrxjlodiitcfi (see Chimpanzee) 

 Pangolin (sec also Short-tailed manis) 



hypojjhysis, anatomy, 165, 167 



intermedin, cellular origin, 200 

 Papio hamadrys (see Baboon) 

 Papio porcarius (see Baboon) 

 Papio ursinus (see Baboon) 

 Paraguayan anaconda, sexual dimorphism, 1044 

 Parakeets, egg-laying, sounds from other birds 



and, 277 

 Paramecium aurelia, mating types, 44 

 Paramecium bursaria, mating types, 44 

 Paraplacental hematomas and placental trans- 

 port, 947 



