title: [On the production of a blastoporal lip in amphibia].
mesh_terms: D000663:Amphibians / Q000196:embryology*; D000818:Animals; D005855:Germ Layers; D006128:Growth; D008854:Microscopy, Electron; D008967:Molecular Biology
vernacular_title: Sur la production d'une lèvre blastoporale chez les amphibiens.