Hirschsprung Disease

**Semantic type:** Disease or Syndrome

**Definition:** A congenital disorder characterized by the absence of myenteric ganglion cells in the distal colon. It results in a functional stenosis of the distal colon and a massive distention of the proximal colon.

**Synonyms:** - Aganglionic Megacolon - Hirschsprung's Disease - Hirschsprung's Disease