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coarctation

 - 4 dictionary results
Atrium Medical
Cardiovascular medical devices and biotechnologies
www.atriummed.com

co⋅arc⋅ta⋅tion

  [koh-ahrk-tey-shuhn]
Use coarctation in a Sentence
–noun
1. Pathology.
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. Entomology. the condition of having the body enclosed in a hardened shell or puparium.
Origin:
1400–50; late ME coartacioun pressure, constriction < L coar(c)tātiōn-, s. of coar(c)tātiō; see coarctate, -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Atrium Medical
Cardiovascular medical devices and biotechnologies
www.atriummed.com
co·arc·ta·tion   (kō'ärk-tā'shən)   
n.  

  1. A narrowing or constricting, especially of the aorta or of a blood vessel.

  2. The state of being enclosed in an oval horny case. Used of an insect pupa.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: co·arc·ta·tion
Pronunciation: (")kO-"ärk-'tA-sh&n
Function: noun
: a stricture or narrowing especially of a canalor vessel (as the aorta) coarctation of the aorta>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

coarctation co·arc·ta·tion (kō'ärk-tā'shən)
n.
A constriction, stricture, or stenosis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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