Term Name:	Hirschsprung's disease
Synonyms:	aganglionic megacolon, congenital megacolon, Hirschsprung disease, macrocolon, pelvirectal achalasia, total intestinal aganglionosis
Definition:	A megacolon that is characterized by a blockage of the large intestine due to improper muscle movement in the bowel.
Ontology:	Human Disease [DOID:10487]   ( DOID:10487 )