Medical term:

coarctation



coarctation

 [ko″ahrk-ta´shun]
stenosis.
coarctation of aorta a congenital heart defect consisting of localized deformity of the tunica media of the aorta, causing narrowing (usually severe) of the lumen of the vessel
 Coarctation of the aorta. Flow patterns are normal but are diminished distal to the coarctation. Blood pressure is increased in vessels leaving the aorta proximal to the coarctation. From Betz et al., 1994.
.
reversed coarctation pulseless disease.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

co·arc·ta·tion

(kō'ark-tā'shŭn),
A constriction, stricture, or stenosis.
Farlex Partner Medical Dictionary © Farlex 2012

coarctation

(kō′ärk-tā′shən)
n.
A narrowing or constricting, especially of the aorta or of a blood vessel.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

coarctation

A stricture or point of contraction. See Aortic coarctation.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

co·arc·ta·tion

(kō'ahrk-tā'shŭn)
A constriction, stricture, or stenosis, particularly of the aorta.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

coarctation

A constriction or narrowing, especially of a blood vessel.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005


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