... increased after treatment with testosterone in the SV (but not VP), these changes were not sensitive to anti-androgen treatment, and thus it is likely that FGF10 mRNA was not directly regulated by testosterone. Also, FGF10 mRNA was observed in the embryonic female reproductive tract in a position analogous...

... ducts have differentiated and the testes have migrated through the inguinal canal. Female tammars treated with testosterone propionate (24-50 mg kg −1 day −1) orally for 25 days had enlarged Wolffian and Müllerian ducts. Mammary and pouch development, however, was indistinguishable from that of control...

...Yves Grau; Jean-Marc Reichhart; Jean Thiebold ABSTRACT Testosterone when injected alone stimulates growth of the vagina but is inactive upon the other segments of the oviduct of the immature chicken. This action of testosterone can already be detected in embryos: it is expressed by the beginning...