[Action of brain extract on the differentiation of feather germs of the skin of the chick embryo cultivated in vitro].
D000818:Animals; D001921:Brain; D002454:Cell Differentiation; D004622:Embryo, Mammalian / Q000494:pharmacology*; D004625:Embryo, Nonmammalian / Q000494:pharmacology*; D005241:Feathers; D066298:In Vitro Techniques; D012867:Skin / Q000494:pharmacology*
BRAIN/extracts; EMBRYO/pharmacology; SKIN/pharmacology