title: Effect of gonadotropins, thyrotropin, and adrenocorticotropin on the development of 12-day chick embryonic gonads.
abstract: Gonadotropins (FSH+LH) and thyrotropin (TSH) stimulated the development of 12-day embryonic gonads, whereas adrenocorticotropin (ACTH) did not show any significant effect. It is concluded that the gonads of 12-day chick embryos have the capacity to respond to both gonadotropic and thyrotropic stimulation. This suggests that at the time when the hypothalamo-pituitary-thyroid axis begins to develop, the capacity of gonadal receptors to distinguish between gonadotropins and thyrotropin has not been established.
authors.affiliation: Department of Biology, Semmelweis University of Medicine, Budapest, Hungary.
authors.forename: M A
authors.initials: MA
authors.lastname: Shanin
authors.affiliation: Department of Biology, Semmelweis University of Medicine, Budapest, Hungary.
authors.forename: G
authors.initials: G
authors.lastname: Csaba
authors.affiliation: Department of Biology, Semmelweis University of Medicine, Budapest, Hungary.
authors.forename: O
authors.initials: O
authors.lastname: Dobozy
keywords: Adrenocorticotropin; Chick embryo; Gonad-development; Gonadotropins; Thyrotropin