title: The mechanical basis of morphogenesis. I. Epithelial folding and invagination.
mesh_terms: D000663:Amphibians / Q000196:embryology; D000818:Animals; D001755:Blastocyst / Q000502:physiology; D002490:Central Nervous System / Q000196:embryology; D003599:Cytoskeleton / Q000502:physiology; D004330:Drosophila / Q000196:embryology; D004848:Epithelium / Q000196:embryology* / Q000648:ultrastructure; D005775:Gastrula / Q000502:physiology; D008954:Models, Biological; D009024:Morphogenesis; D009119:Muscle Contraction