SUBJECT INDEX 



1587 



Rat (cont.) 

 milk ejection 



iiournl ]>:ith\\:i\-.s, G25-626 



])(),st(Mi()r pihiitnry removal and, 1323 

 milk secretion, electron microscopy of, 594 

 mother -young relationships, development, 1326 

 Miillerian duct 



development, androgen and, 114, 115 



differentiation 



critical period, 118 

 in grafts in castrate hosts, 118 

 muscles of male, androgen and, (itiO, 1186 

 mutants, tabulation of, 4 

 nest -building 



adrenalectomy and, 1308 



and heat regulation, 1309, 1346 



l)y males and females, 1306 



experience and, 1337 



gonadectomy and, 1308 



liypophysectomy and, 1307 



|);irallel with retrieving, 1315 



pn>sence of young and, 1309 



temporal relation to parturition, 1347, 1353 



thyroid and, 1307, 1346 

 nursing behavior, hypophysectomy and, 1331 

 offspring of cretins, 668 

 oogenesis, estrogen and, 451, 453 

 ovarian follicular growth, 455, 456, 498-499 



age of animal and, 807 



during lactation, 459 



(luring pregnancy, 458 



hypophyseal gonadotrophins and, 506 



jjrogesterone and, 271 

 ovarian functioning 



ago of animal and, 962 



hy])()thalamus and, 521 



thyroid and, 479, 480 

 ovarian responsiveness to gonadotrophins 



adrenalectomy and, 483 



age of animal and, 477 



protein deficiency and, 687 

 oviduct 



cyclic changes, 819, 821-822 



epithelium 



histochemical characteristics, 824 

 structure, 823-824 

 oviduct -ovarian relationships, 819 

 ovulation 



age of animal and, 514-515 



l)locking agents and, 524, 529 



diurnal rhythms and, 526-529 



estrogen and, 267-268, 514-516 



hypophyseal gonadotrophins and, 450 



interval after gonadotrophin release, 514 



neural lesions and, 520 



process, 456 



progesterone and, 2(50, 268, 271, 515-516, 517- 

 519, 527-528 



temporal relation to heat, 514 



testosterone and, 268 



time of day, 514 



without estrus, 502 

 ovum 



biochemical components, 810-811 



collection of, 798 



fate of unfertilized, 837 



fertilizable life, 849 



formation of zona ])ellucida, 808, 809, 811-812 



growth, 243, 807 



maturation, 816-817 



physicochemical properties of zona jjellucida, 

 814-815 



postovulatory, 818 



second polar liody formation, 838 



Rat icoiit.) 

 ovum {rout.) 



structure, 808-809, 811, 812 

 transfer, 800-801 

 tul)al, 827-828 

 oxytocin 



and luteotrophin secretion, 628 

 secretion, suckling and, 623 

 parental behavior 



age of female and, 1334 



cortical lesions and, 1338-1339 



estrone and inhibition, 1331 



experience and, 1329, 1333, 1334, 1337-1339 



1343 

 hypothalamic stimulation and, 1349 

 retrieving, 1314, 1315 



gonadal hormones and, 1316-1317 

 hvi)()i)hvsect()mv, 1315 

 oifaclorv stimuji, 1318-1319 

 prolactin and, 1316, 1339 

 specificity of, 1319-1320 

 stimuli from young and, 1317-1318 

 thyroid and, by male, 1316 

 visual stimuli and, 1318-1319 

 pars intermedia, staining reactions, 199-200 

 parturition 



contraction sequence, 1018 

 hypophysis and, 1016 

 parturitive behavior, 1313 



penile development, gonadal hormones and, 127 

 persistent follicle, 529-530 

 persistent vaginal estrus, 529-530 

 placental barrier, 913 

 placental histocliemist rv, 892-893, 896, 913, 922, 



923 '.)24, 926 92S, 934-935, 942 

 placental hist()h)g\-, 912-913 

 placental hormones, 604, 982, 1008 

 placental permeability, gestation age and, 943 

 placental structure, metrial gland, 913 

 placental type, 908, 912, 914 

 precocious follicular growth, cervical stimula- 

 tion and, 510 

 precocious puberty, hypothalamic lesions and, 



510 

 precocious vaginal opening, constant illumina- 

 tion and, 510 

 precocity, ovarian, 264 

 pregnancy 



adrenal and, 1000-1002 

 blood 



amino acids, 690 

 constituents, 989-990 

 iodine levels, 980 

 diabetes mellitus and, 673, 1003 

 food intake, 689 

 histaminase levels, 996 

 histamine during, 996 

 hypervolemia during, 990 

 hVpoi)hysis and. 260, 1005, 1147, 1331 

 hy|)othennia and length of, 963 

 hy])othyr()idism and, 998 

 lactation and length of, 959 

 liver RNA, 690 



maintenance, estrogen -progesterone and, 1004 

 ovary and, 1003 

 placental hormones and, 1008 

 somatotrophin levels, 965, 981 

 suckling and, 1329 



toxemia, protein-deficient diets and, 690 

 urinary estrogens, 964 

 vitamin A and, 691 

 vitamin B complex and, 692 

 vitamin E deficiency and, 691 



