title: [The metamerism of the spinal pterygium, studies in the chick embryo with the aid of localized x-ray irradiations].
mesh_terms: D000818:Animals; D002454:Cell Differentiation / Q000528:radiation effects*; D002642:Chick Embryo / Q000528:radiation effects*; D005241:Feathers / Q000196:embryology / Q000528:radiation effects; D005855:Germ Layers / Q000528:radiation effects*; D011830:Radiation Effects; D013131:Spine
vernacular_title: La métamérie de la ptéryle spinale, étudiée chez l'embryon di Poulet à l'aide d'irradiations localisées aux rayons x.