Influence of compensatory mechanisms and the pineal gland on dark-induced gonadal atrophy in male hamsters.
D000818:Animals; D001284:Atrophy; D002369:Castration; D006224:Cricetinae; D003624:Darkness; D008027:Light; D008297:Male; D010870:Pineal Gland / Q000502:physiology*; D013737:Testis / Q000502:physiology*