title: Intensity and proximal extension of acetylcholinesterase activity in the mucosa of the rectosigmoid in Hirschsprung's disease.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis*; D000293:Adolescent; D000367:Age Factors; D001706:Biopsy; D002675:Child, Preschool; D012809:Colon, Sigmoid / Q000201:enzymology*; D005188:False Negative Reactions; D005725:Ganglia, Autonomic / Q000473:pathology; D006801:Humans; D007223:Infant; D007413:Intestinal Mucosa / Q000201:enzymology / Q000294:innervation / Q000473:pathology; D008531:Megacolon / Q000175:diagnosis / Q000201:enzymology* / Q000473:pathology; D008722:Methods; D012007:Rectum / Q000201:enzymology*
chemical_list: D000110:Acetylcholinesterase