traction diverticulum


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diverticulum

 [di″ver-tik´u-lum] (pl. diverti´cula) (L.)
a circumscribed pouch or sac occurring normally or created by herniation of the lining mucous membrane through a defect in the muscular coat of a tubular organ. See illustration.
Intestinal diverticula. From Dorland's, 2000.
ileal diverticulum Meckel's diverticulum.
intestinal diverticulum a pouch or sac formed by hernial protrusion of the mucous membrane through a defect in the muscular coat of the intestine.
Meckel's diverticulum an occasional sacculation or appendage of the ileum, derived from an unobliterated yolk stalk.
pressure diverticulum (pulsion diverticulum) a sac or pouch formed by hernial protrusion of the mucous membrane through the muscular coat of the esophagus or colon as a result of pressure from within.
traction diverticulum a localized distortion, angulation, or funnel-shaped bulging of the esophageal wall, due to adhesions resulting from an external lesion.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

trac·tion di·ver·tic·u·lum

a diverticulum formed by the pulling force of contracting bands of adhesion, occurring mainly in the distal esophagus, from tuberculous hilar or mediastinal lymphadenitis.
Farlex Partner Medical Dictionary © Farlex 2012

trac·tion di·ver·tic·u·lum

(trak'shŭn dī'vĕr-tik'yū-lŭm)
A diverticulum formed by the pulling force of contracting bands of adhesion, occurring mainly in the distal esophagus, from tuberculous hilar or mediastinal lymphadenitis.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012