noun Etymology: Latin coarctation-, coarctatio tightening, from coarctare, coartare to constrict, from co- + artare to fix firmly, from artus close, tight; akin to Latin artus joint — more at article Date: 1545 a stricture or narrowing especially of a canal or vessel (as the aorta)

New Collegiate Dictionary. 2001.

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  • coarctation — [ koarktasjɔ̃ ] n. f. • 1838; coartation 1478; du lat. coarctatio « action de resserrer » ♦ Pathol. Rétrécissement de l aorte. ● coarctation nom féminin (latin coartatio, onis, action de serrer) Rétrécissement congénital d un canal ou conduit… …   Encyclopédie Universelle

  • Coarctation — Co arc*ta tion, n. [L. coarctatio.] 1. Confinement to a narrow space. [Obs.] Bacon. [1913 Webster] 2. Pressure; that which presses. [Obs.] Ray. [1913 Webster] 3. (Med.) A stricture or narrowing, as of a canal, cavity, or orifice. [1913 Webster] …   The Collaborative International Dictionary of English

  • Coarctation — Coarctation, lat., Einzwängung; coarctiren, einzwängen …   Herders Conversations-Lexikon

  • coarctation — index bondage Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • Coarctation — A narrowing, a stricture, a constriction. Although the best known coarctation is of the aorta, any artery can have a coarctation. The word “coarctation” comes from the Latin “coartare” meaning :to press together.” The sides of the vessel at the… …   Medical dictionary

  • coarctation — (ko ar kta sion) s. f. Terme didactique. Rétrécissement d une cavité, d un conduit. Coarctation de l urètre, etc. ÉTYMOLOGIE    Voy. coarctant …   Dictionnaire de la Langue Française d'Émile Littré

  • coarctation — n. (of the aorta) a congenital narrowing of a short segment of the aorta. The most common site of coarctation is just beyond the origin of the left subclavian artery from the aorta. This results in high blood pressure (hypertension) in the upper… …   The new mediacal dictionary

  • coarctation — /koh ahrk tay sheuhn/, n. 1. Pathol. a. a narrowing of the lumen of a blood vessel. b. a congenital anomaly of the heart in which there is a narrowing of the aorta, resulting in abnormal blood flow. 2. Entomol. the condition of having the body… …   Universalium

  • coarctation — noun A stenosis, especially of the aorta …   Wiktionary

  • coarctation — n. narrowing (especially of a blood vessel or canal); state of being enclosed within a chrysalis (Entomology) …   English contemporary dictionary

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