megarectum


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megarectum

 [meg″ah-rek´tum]
a greatly dilated rectum.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

meg·a·rec·tum

(meg'ă-rek'tŭm),
Extreme dilation of the rectum.
Farlex Partner Medical Dictionary © Farlex 2012

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.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

meg·a·rec·tum

(meg'ă-rek'tŭm)
Extreme dilation of the rectum.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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.