megarectum


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megarectum

 [meg″ah-rek´tum]
a greatly dilated rectum.

meg·a·rec·tum

(meg'ă-rek'tŭm),
Extreme dilation of the rectum.

megarectum

(1) A faeces-filled rectum in which intrinsic electromechanical activity that would otherwise stimulate the external anal sphincter and puborectalis muscle has ceased. Megarecta are most common in the elderly, and cause constipation.
(2) A term of waning popularity for (toxic) megacolon involving the rectum.

megarectum

A feces-filled rectum in which intrinsic electromechanical activity that would otherwise stimulate the external anal sphincter and puborectalis muscle has ceased, most common in the elderly, resulting in constipation. See Megacolon.

meg·a·rec·tum

(meg'ă-rek'tŭm)
Extreme dilation of the rectum.
References in periodicals archive ?
Mahler, "Anal stenosis with megarectum: an unusual complication of a perineal burn," Journal of Burn Care and Rehabilitation, vol.
(22,23) While the exact pathological mechanism of recurrence is still unclear, the main factor for recurrence was reported to be the presence of concomitant megacolon or megarectum. (22,23,43) Morrissey et a1.
Children and adolescents should have a barium enema to rule out Hirschsprung's disease and idiopathic megarectum.