title: [Production of a supplementary pteryla in the chick embryo. I. Morphologic study].
mesh_terms: D000818:Animals; D001921:Brain; D002642:Chick Embryo / Q000187:drug effects*; D005241:Feathers / Q000187:drug effects / Q000196:embryology*; D014020:Tissue Extracts / Q000494:pharmacology*
chemical_list: D014020:Tissue Extracts
vernacular_title: Production d'une ptéryle supplémentaire chez l'embryon de poulet. I. Etude morphologique.