title: Cloacal exstrophy: a hypothesis on the allantoic origin of the distal midgut.
abstract: A case of exstrophy of cloaca is reported. Different theories about the embryogenesis of this congenital deformity are reviewed. The possibility of allantois participation in the embryogenesis of the distal limb of midgut is discussed.
mesh_terms: D000015:Abnormalities, Multiple; D000482:Allantois; D002988:Cloaca / Q000002:abnormalities*; D005314:Embryonic and Fetal Development; D005321:Extraembryonic Membranes; D005260:Female; D006801:Humans; D007231:Infant, Newborn