Effect of gonadotropins, thyrotropin, and adrenocorticotropin on the development of 12-day chick embryonic gonads

  • M. A. Shahin
  • G. Csaba
  • O. Dobozy
Rapid Communication


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.

Key words

Gonadotropins Thyrotropin Adrenocorticotropin Chick embryo Gonad-development 


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Copyright information

© Springer-Verlag 1981

Authors and Affiliations

  • M. A. Shahin
    • 1
  • G. Csaba
    • 1
  • O. Dobozy
    • 1
  1. 1.Department of BiologySemmelweis University of MedicineBudapestHungary

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