1586 



SUBJECT INDEX 



Rat (cont.) 



exploratory behavior, selective breeding and, 



1355 

 female genital tiact, physico-chemical deter- 

 minations, 741-742 

 feminine behavior 



by females, androgen and, 1196 

 by males, 1179 



androgen and, 1195 

 estrogen and, 1195 

 fertilization 



changes in ovum, 840-841 

 changes in sperm, 838-844 

 cytology of, 827 

 ])()lys])(>nny, 845, 850 

 pronuclei, 841 

 sperm penetration 

 of ooplasm, 834-835 

 of zona pellucida, 832 

 supernumerary sperm, 844 

 fetal gonad differentiation, gonadal hormones 



and, 100 

 fetal hypophysis, functioning of, 1()3 

 fetal loss 



adrenal corticoids and, 963 

 body t('iii|.(T;iluic and, 962-964 

 folic acid (Iclicicncy and, 692 

 hypoxia and, 963-964 

 fetal testis, interstitial cells, 145 

 gonad differentiation, pituitary and, 133 

 gonaduct differentiation, pituitary and, 133 

 Graafian follicle size, 505 

 hair growth, progesterone and, 1347 

 hoarding, selective breeding and, 1355 

 hypogonadism in male, unilateral tubular 



atrophy, 348^349 

 hypophyseal acidophils, thja-oidectomy and, 176 

 hyj)ophyseal basophils, corticotrophin in, 176 

 hyi)ophyseal cytology 



adrenalectomy and, 196-197 



basophils, 185-188, 203, 209 



castration cells, 172 



castration compared with tliyroidectomy 



cells, 188-190 

 during pregnancy, 204, 205 

 during pseudoi)regnancy, 204 

 during sexual maturation, 201-202 

 estrogen and, 202 

 suckling and, 1327 

 thyroidectomy cells, 172 

 thyroxine deficiency and acidophils, 174 

 hypophyseal gonadotrophin 



luteinizing hormone actions, 246 

 secretion 



age of animal and, 257, 501, 503 



androgen and, 268-271, 531 



diabetes and, 673 



dietary proteins and, 675-676 



estrogen and, 202, 265-268, 503-504, 531 



follicle-stimulating hormone luteinizing 



hormone ratios, 259 

 gonadectomy and, 259 

 inanition and, 674-675 



progesterone suppression of follicle-stimu- 

 lating hormone secretion, 518 

 sex differences, 257, 259 

 vitamin deficiency and, 676-677 

 hypophyseal prolactin, selective breeding and, 



1355 

 hypophyseal structure, inanition and, 674 

 hypophysis 

 'anatomy, 165, 273, 275, 1099 

 electron microscopy, 214-223 

 masculinization of, 530 



Rat (cont.) 

 implantation 

 delayed, 459 



endometrial response, 862 

 estrogen-progesterone and, 851 

 lactation delay, 851 

 j)rogesterone and, 851 

 in pregnancy tests, 986, 987 

 intermedin, cellular origin, 94 

 lactation 



adrenal corticoids and, 612 613 

 biochemical correlates, ()()7 609 

 hormone reciuiremenis, 609-612 

 ncurolniiHoial blocking agents and, 630-631 

 oy;iii;ni hormones and, 613-614, 616 

 par;ithyroi(ls and, 619 

 ])ars nervosa ablation and, 1147 

 l)rolactin levels, 205 



suckling induced, 1325, 1326, 1328, 1329-1330 

 thyroid and, 617 

 tranquilizing drugs and, 631-632 

 litter size, thyroid and, 669 

 luteotrophic substances, 530 

 male accessorj^ sex glands 

 estrogen and, 426-427 

 glycosidases in, 392 

 jirogesterone and, 425-426 

 rate of cast rational involution, 420-421 

 r.'spir.Mtorv met al>olisin. 394 396 

 man)iiiai\' dcychjpment , 595-596 

 adrenal corticoids and, 604 

 hormone recjuirements, 599, ()02-606 

 insulin and, 605 

 thyroid hormone and, (505 

 mammary gland 



after weaning, 598-599 

 postparturitional, 596 

 mammary tissue RQ, insulin and, 619-620 

 masculine behavior 

 by female, 1190-1191 



androgen and, 1197-1198 

 by male, estrogen and, 1194, 1202 

 masculinization, by ovarian androgen, 465-466 

 maternal behavior, pars nervosa ablation and, 



1147 

 mating behavior 



age of animal and, 1202-1204 

 comparison with guinea pig, 1220 

 duality of mechanisms, 1177-1179 

 experience and, 1340 

 hyjK)physis and, 1210 

 in female, 1186-1187 



adrenal corticoids and, 1209-1210 

 development of capacity" in absence of 



ovaries, 1201, 1203, 1222 

 estrogen-progesterone and, 1188, 1205 

 individual differences, 1187 

 measurement of, 1187 

 in male, 1175-1176 



androgen and, 1184, 1185-1186 

 androgen and development of, 1186, 1202 

 castration and, 1177, 1180, 1181, 1182 

 cerebral decortication and, 1178 

 cortisone and, 1209 

 experience and, 1216, 1219-1220 

 hyijerexcitalnlity, 1182, 1208 

 maintenance dose of androgen, 1202 

 methods of scoring, 1177 

 protein deficiency and, 679 

 stability of patterns, 1179-1180 

 thyroid and, 1211, 1212 

 strain differences, 1214 



