The influence of a gonadotrophin on the seasonal changes in the testis and deferent duct of the chaffinch (Fringilla coelebs).
D000818:Animals; D001717:Birds; D006062:Gonadotropins; D006801:Humans; D008297:Male; D046109:Passeriformes; D012621:Seasons; D013737:Testis; D014649:Vas Deferens
D006062:Gonadotropins
BIRDS; GONADOTROPINS