242 



INTERNAL SECRETIONS OF THE OVARY 



Placentoma, see Deciduoma. 



Plants, presence of oestrin in, no. 



Platypus, see Ornithovhyuchus. 



Polar body, 6. 

 Precocious puberty,' induction by 

 oestrin, 124 ; induction of, by anterior 

 pituitary extracts, 158-163, 168. 



IVegnancy, length of, in various mam- 

 mals, 68 ; after ovariectomy, 98 ; 

 effect of oestrin during, 118 ; mam- 

 mary gland during, 191 ; mainten- 

 ance of, 196. 



Primates, mammary gland of, 16 ; 

 menstrual cycle of, 61 ; period of 

 gestation in, 68. 



Prooestrus, 24. {See also Ocstrous 

 cycle.) 



Pseudo-pregnancy, 25 ; in opossum, 

 30 ; in dog, 32 ; length of, in various 

 mammals, 68 ; in man, 69 ; in 

 Macacus rhesus, 66 ; mammary 

 gland during, 189. {See also Oes- 

 trous cycle.) 



Puberty, 18 ; age of, in various mam- 

 mals, 68 ; precocious, 158. 



' Puberty gland,' 125. 



Rabbit, interstitial tissue of, 11 ; 

 uterus of, 14 ; mammary gland of, 

 16 ; oestrous cycle in, 26 ; age of 

 puberty in, 68 ; size of litter in, 68 ; 

 period of gestation, 68 ; effect of 

 oestrin on uterus, 126 ; effects of 

 anterior pituitary extracts on, 157 ; 

 history of corpus luteum in, 174 ; 

 post-oestrous changes in uterus, 184 ; 

 deciduoma in, 186 ; mammary gland 

 during pseudo-pregnancy in, 189. 



Rat, Fallopian tube of, 13 ; uterus of, 

 14 ; vagina of, 14 ; mammary gland 

 of, 16 ; age of puberty, 20, 68 ; 

 ocstrous cycle in, 43 ; size of litter 

 in, 68 ; period of gestation, 68 ; 

 effects of anterior pituitary prepara- 

 tions, 154-163 ; function of corpus 

 luteum in, 174 ; deciduoma in, 185. 



Respiration, effect of oestrin on, 113. 



Rodents, breeding season in, 23. 



Secondary Sexual Characters, 2 ; 

 effect of ovariectomy on, 72. 



Semnopithecus eatelhts, menstrual cycle 

 of, 62. 



Sexual differentiation. Chap. I. 



Sexual periodicity. Chap. III. 



' Sexual season,' 22. 



Sheep, oestrous cycle in, 4 ; corpus 

 luteum of, 8 ; Fallopian tube of, 13 ; 

 breeding season in, 23 ; age of pu- 

 berty, 68 ; period of gestation, 68. 



Sterility, effect of oestrin on, 121. 

 Superfoetation, 176. 

 * Super-ovulation,' production of, by 

 anterior pituitary implants, 169. 



Testis, occurrence of oestrin in, 109 ; 



effect of oestrin on, 121 ; effect of 



testis lipoids on, 121. 

 Theca externa, 4. 

 Theca interna, 4, 5 ; oestrin in, 106 ; 



effect of X-rays on, 139. 

 Theca-lutein cells of corpus luteum, 9. 

 Thymus, relation with ovary, 152. 

 Thyroid, 72 ; relation with ovary, 152. 



Urine, weight of unit of oestrin from, 

 106 ; presence of oestrin in, 109 ; 

 yields of oestrin from, 109, 112 ; 

 anterior pituitary hormone in, 167. 



Uterine cycle, in Dasyurus, 28 ; in 

 opossum, 29 ; in dog, 31 ; in guinea- 

 pig. 35 ; in cow, 39 ; in sheep, 41 ; 

 in pig, 42 ; in mouse and rat, 46 ; 

 in rabbit, 56 ; in ferret, 60 ; in 

 Primates, 62 ; in man, 63. 



Uterus, comparative structure, 14 ; 

 effect of oestrin on, 126 ; sensiti- 

 zation of, 175 ; post-oestrous changes 

 in, 184 ; sensitization to deciduoma 

 formation, 186 ; cyclic variation in 

 contractility, 202 ; changes in sen- 

 sitivity to oxytocin, 204. {See also 

 Uterine cycle.) 



Vagina, comparative structure, 14 ; 

 effect of oestrin on, 126. {See also 

 Vaginal cycle, and Vaginal smear.) 



Vaginal cycle, 26 ; in opossum, 29 ; 

 in guinea-pig, 36 ; in cow, 39 ; in 

 inouse and rat, 47 ; in rabbit, 54 ; 

 in ferret, 60 ; in Macacus rhesus, 65. 



Vaginal plug, in guinea-pig, 36 ; in rat 

 and mouse, 49. 



Vaginal smear, limitations of, 26 ; in 

 opossum, 29 ; in guinea-pig, 36 ; in 

 mouse, 48 ; in Primates, 65 ; tech- 

 nique, 95 ; effect of vitamin A 

 deficiency on, 97. 



Vitamin A, effect of deficiency on 

 vaginal cornification, 97. 



Vulva, structure, 14 ; cycle of, in 

 Papio, 65. 



X-RAYS, effect on menstrual cycle, 66 , 

 histological effects on ovary, 138-143; 

 effects on oestrous cycle, 143-148 ; 

 unilateral sterilisation, 176. 



Zona Pellucida, 6. 



