title: A possible origin of intestinal gradients and their relation to motility.
mesh_terms: D000818:Animals; D002415:Cats; D002462:Cell Membrane; D002467:Cell Nucleus; D004594:Electrophysiology; D005769:Gastrointestinal Motility; D007082:Ileum / Q000166:cytology; D007421:Intestine, Small / Q000166:cytology* / Q000378:metabolism / Q000502:physiology; D007583:Jejunum / Q000166:cytology; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle / Q000502:physiology; D009130:Muscle, Smooth / Q000166:cytology* / Q000502:physiology