Endocrine influences on growth and pigmentation of embryonic down feather cells.
D000818:Animals; D002642:Chick Embryo / Q000254:growth & development; D004702:Endocrine Glands / Q000502:physiology*; D005241:Feathers / Q000196:embryology*; D010858:Pigmentation; D013890:Thiourea / Q000494:pharmacology*; D013974:Thyroxine / Q000494:pharmacology*
D013890:Thiourea; D013974:Thyroxine