SUBJECT INDEX 



1589 



Rat (cont.) 

 testis (cont.) 

 stress and, 322 



structure in adult, 309, 313, 317-318 

 temperature, liigh, and, 319 

 thyroid and, 34(i 

 time of descent , 313 

 urinary gonadotrophins and, 337 

 vitamin deficiencies and, ()80-681 

 tissue responsiveness to androgen 

 age of animal and, 419-420 

 growth hormone and male accessory sex 



glands, 434-435 

 nutritional deficiencies and male accessory 



sex glands, (i83 

 [jrolactiii and male accessory sex glands, 433- 

 434 

 tissue responsiveness to gonadal hormones 

 absence of gonads and, 1203 

 development in absence of gonads, 1201, 1203, 

 1222 

 urogenital sinus differentiation, gonadal hor- 

 mones and, 122 

 uterine motility, ovarian hormones and, 1014- 



1015 

 uterus 



carbonic anhydrase activity, 99(i 

 cervical dilation, 1011-1012 

 estrogen and metabolism of, 653-654 

 vagina, ovariectomy and, 509 

 vaginal plug, 396 

 vaginal responsiveness to estrogen, cyclic 



fluctuations, 509 

 Wolffian duct differentiation, gonadal hormones 



and, 120-121 

 yolk sac placenta 



gestation age and, 920-922 

 in transfer of maternal antibodies, 918 

 lipids in, 923, 938-939 



visceral endodermal cells, 918, 920, 940-941, 

 944-945, 948-949 

 Ratitae, penis, 1096 

 Rattus norvexjicus 

 female prostate, 374 

 population density, and adrenal functioning, 



1261 

 running activity, adrenal corticoids and, 1191- 

 1192 

 Rattus norvegicus alhinus (see Rat) 

 Rattus rattus 

 litter size, 961 

 pregnancy, length, 961 

 Rays (see also Myliuhatus, Ptcroplataea, Try yon) 



sperm storage in female, 1055 

 Regulus, neurohypophysis, blood supply, 1099 

 Relaxin (see also Pelvic relaxation), 464-465 

 and cervical dilation, 1011-1012 

 and mvometrial activity, 1014-1015 

 and parturition, 1016-1017 

 and iH'lvic relaxation, 973, 1009-1010 

 and pregnancy in mouse, 1004-1005 

 cellular origin, 976 

 in met rial gland of rat, 913 



levels uring pregnancy, 964-965, 974-975, 976-977 

 mechanism of action, 1010, 1011 

 sources, 976 

 Releasers 



and social behavior, 1258-1261 

 color changes, 1258-1260 

 function of, 1260 

 gonadal hormones and, 12(')() 

 Reporhampus 



breeding season, 1069 

 sexual maturity, age of, 1069 



Reproduction 



adrenal and, 670-672 

 birds 



estrogen effects on male, 1106 



light and, 1137-1141 

 diabetes mellitus and, 672-673 

 dietary carbohydrate and, 670, 685 

 female 



amino acids and, 684 



dietary fats and, 685 



inanition and, 683-684 



vitamins and, 685-686 

 guinea pig, effects of prepubertal androgen on 



male, 1201 

 hypoi)hyseal stalk transection and, 280-284 

 hypothalamus and, 278-280 

 hypoxia and, 962-964 

 interplay 



of adrenal and nutritional factors, 671-672 



of thyroid and nutritional factors, 670 

 male 



dominance state, 1246-1247 



thyroid and, 1104-1105 

 mouse 



prepubertal estrogen and, 1201 



sterile-obese syndrome and, 673 

 neural lesions and, 278-280 

 rat 



diphenyl-p-phenylenediamine, 692 



prepubertal androgen and, 1201 



prepubert.al estrogen and, 1201 

 social stress and, 1261 1262 

 thyroid and, '.MI7 lOOO 



range of tolerance, 480 

 Reproductive behavior 

 central nervous system 



mediation, specificity of the action, 1350-1351 



stimulation, 1349 

 concept of neural "centers," 1350-1351 

 rat, hypothalamic stimulation and, 1349 

 species-sijcciiic nature of response to hormones, 

 1193-1199, 1353 

 Reproductive cycle (see also Breeding cycle. 

 Menstrual cycle. Reproduction) 

 anovulatory, 557-558 

 birds, regulation, 1134-1152 

 man, anovulatory, 457 

 Reproductive life, length 



in mouse, 959 



in rat, 959 

 Reproductive state, and social behavior, 1250 1254 

 Reproductive tract, bisexuality, 1060-1062 

 Reptiles 



adrenal, development of, 1061 

 cloaca, 377 



corpus luteum, 1058-1059 

 egg-laying, 1049-1050 

 genital tract 



development, 1061-1062 



male, 1040 

 gonads 



development of, 1061-1062 



responsiveness to gonadotrophins, 253, 255 

 hermaphroditism, 1065-1067 

 hypophyseal gonadal relations, 253 

 hypophyseal portal vessels, 275 

 hypoi)hysis, i)rolactin in, 254 

 hypothalamic-neuiohypophyseal tracts, 222 

 kidney, accessory reproductive function, 377 

 neurosecretion, 225 

 orchiectomy, 1045 

 ovarv, 1049-1050 

 oviduct, 1051-1052 



