On the identity of substances, present in chorionic and pituitary gonadotrophic preparations, causing melanophore expansion and spermiation in the hypophysectomized Rana esculenta.  II.  Investigation on the identity of substances with chromatophorotrophic activity, present in the hypophysis.
D000818:Animals; D006063:Chorionic Gonadotropin / Q000494:pharmacology*; D052681:Gonadotrophs; D006062:Gonadotropins; D006065:Gonadotropins, Pituitary / Q000494:pharmacology*; D008297:Male; D008547:Melanophores; D010902:Pituitary Gland; D011893:Rana esculenta; D013094:Spermatozoa
D006063:Chorionic Gonadotropin; D006062:Gonadotropins; D006065:Gonadotropins, Pituitary
GONADOTROPINS, CHORIONIC/effects; GONADOTROPINS, PITUITARY/effects; SPERMATOZOA