title: The gastrointestinal tract.
authors.forename: P J
authors.initials: PJ
authors.lastname: Milla
authors.forename: W M
authors.initials: WM
authors.lastname: Bisset
mesh_terms: D002454:Cell Differentiation; D004063:Digestion; D004064:Digestive System / Q000196:embryology*; D006801:Humans; D007408:Intestinal Absorption; D007421:Intestine, Small / Q000648:ultrastructure; D009024:Morphogenesis; D009043:Motor Activity / Q000502:physiology