Effects of ovariectomy, estrogen and pregnancy on mammalian hair color.
D000818:Animals; D002369:Castration; D003116:Color; D004958:Estradiol / Q000494:pharmacology; D004967:Estrogens / Q000494:pharmacology*; D005260:Female; D006168:Guinea Pigs; D006197:Hair / Q000166:cytology / Q000187:drug effects / Q000502:physiology*; D010053:Ovary / Q000502:physiology*; D011247:Pregnancy
D004967:Estrogens; D004958:Estradiol