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.

megarectum

a greatly dilated rectum.