title: Hirschsprung's disease: a review of the morphology and physiology.
mesh_terms: D003106:Colon / Q000294:innervation; D005724:Ganglia; D006801:Humans; D008531:Megacolon / Q000473:pathology* / Q000503:physiopathology*; D008854:Microscopy, Electron; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000294:innervation; D009186:Myelin Sheath; D011955:Receptors, Drug; D012007:Rectum / Q000294:innervation / Q000473:pathology / Q000503:physiopathology; D013194:Staining and Labeling
chemical_list: D011955:Receptors, Drug