coarctation

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Related to coarctate: Coarctate pupa, aortarctia

coarctation

[‚kō·ärk′tā·shən]
(medicine)
A compression of the wall of a vessel, narrowing the lumen and reducing the volume (or flow).
A stricture or occlusion resulting from an outside force deforming a vessel.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.