Hormones versus constitutional factors in the growth of embryonic sex primordia in the opossum.
D000818:Animals; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D047108:Embryonic Development; D012739:Gonadal Steroid Hormones / Q000494:pharmacology*; D006801:Humans; D009893:Opossums; D010829:Physiological Phenomena; D012727:Sex Characteristics
D012739:Gonadal Steroid Hormones
EMBRYO; SEX CHARACTERISTICS; SEX HORMONES/effects