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hy·po·gan·gli·o·no·sis (hi″po-gang″gle-ə-noґsis) deficiency in the number of myenteric ganglion cells in the distal segment of the large intestine, resulting in constipation; it is a variant of congenital megacolon.Medical dictionary. 2011.
Hirschsprung's disease — Classification and external resources Histopathology of Hirschsprung disease. Enzyme histochemistry showing aberrant acetylcholine esterase (ACHE) positive fibres (brown) in the lamina propria mucosae … Wikipedia
Porphyria — This article is about the medical condition. For other uses, see Porphyry (disambiguation). Porphyria Classification and external resources ICD 10 E80.0 E80.2 … Wikipedia
megacolon — A condition of extreme dilation of the colon. SYN: giant colon. acquired m. m. occurring on the basis of an acquired disease; occurs in inflammatory bowel disease (toxic m.) and Chagas … Medical dictionary
