title: Analysis of feather germ formation in the embryo and vitro, in normal development and in skin treated with hydrocortisone.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D046508:Culture Techniques; D005241:Feathers / Q000196:embryology*; D006854:Hydrocortisone / Q000494:pharmacology*; D008722:Methods; D003012:Microbial Collagenase / Q000378:metabolism; D008954:Models, Biological; D012867:Skin / Q000166:cytology / Q000187:drug effects / Q000196:embryology*
chemical_list: D003012:Microbial Collagenase; D006854:Hydrocortisone