| 释义 |
Rectosigmoid Aganglionosis | 《英文msh词典》Rectosigmoid Aganglionosis | | [入口词] Rectosigmoid Aganglionosis | | [主题词] Hirschsprung Disease | | [英文释义] Congenital MEGACOLON resulting from the absence of ganglion cells (aganglionosis) in a distal segment of the LARGE INTESTINE. The aganglionic segment is permanently contracted thus causing dilatation proximal to it. In most cases,the aganglionic segment is within the RECTUM and SIGMOID COLON. |
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