[Demonstration of estrogenic steroid in the immature ovary of Xenopus laevis Daudin, and the estrogen cycle during laying].
D000818:Animals; D004967:Estrogens / Q000378:metabolism*; D005260:Female; D006801:Humans; D010053:Ovary / Q000502:physiology*; D014982:Xenopus laevis
D004967:Estrogens
ESTROGENS/metabolism; OVARY/physiology