The role of pituitary and gonadal hormones in the differentiation of testis and secondary sex characters of the juvenile guppy Poecilia reticulata peters.
D000818:Animals; D002454:Cell Differentiation / Q000187:drug effects; D012734:Disorders of Sex Development; D005399:Fishes; D007016:Hypophysectomy; D008297:Male; D008722:Methods; D008777:Methyltestosterone / Q000008:administration & dosage / Q000494:pharmacology*; D010902:Pituitary Gland / Q000502:physiology*; D012708:Sertoli Cells / Q000187:drug effects; D012727:Sex Characteristics / Q000187:drug effects*; D013091:Spermatogenesis / Q000187:drug effects; D013737:Testis / Q000166:cytology / Q000187:drug effects*
D008777:Methyltestosterone