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[Hypophysis and estradiol secretion in the chick embryo].

Abstract
Ovaries from 10- to 18-day-old chick embryos hypophysectomized by partial decapitation were cultured in vitro and their estradiol secretion was compared to that of ovaries from control embryos. The production of estradiol was not less in the decapitated than in the control embryos at 15-18 days, neither per ovary nor on the basis of ovarian weight. However, the difference was significant at 10-11 days. These results suggest that the hypophysis controls estradiol secretion by the chick embryo ovary in the early stages, but not in the later ones.
AuthorsJ P Weniger, J Chouraqui, A Zeis
JournalComptes rendus de l'Academie des sciences. Serie III, Sciences de la vie (C R Acad Sci III) Vol. 308 Issue 20 Pg. 531-6 ( 1989) ISSN: 0764-4469 [Print] France
Vernacular TitleHypophyse et sécrétion d'oestradiol chez l'embryon de Poulet.
PMID2501004 (Publication Type: Journal Article)
Chemical References
  • Estradiol
Topics
  • Animals
  • Chick Embryo
  • Estradiol (metabolism)
  • Female
  • Hypophysectomy
  • Organ Size
  • Ovary (growth & development, metabolism)
  • Pituitary Gland (physiology)

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