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coarctation

[ koh-ahrk-tey-shuhn ]

noun

  1. Pathology.
    1. a narrowing of the lumen of a blood vessel.
    2. 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.


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Word History and Origins

Origin of coarctation1

1400–50; late Middle English coartacioun pressure, constriction < Latin coar ( c ) tātiōn-, stem of coar ( c ) tātiō; coarctate, -ion
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Example Sentences

And it appeared Rycker had aortic coarctation, a narrowing of the large blood vessel branching off the heart, which would cause it to pump harder to force blood through the body.

She had a heart defect, Tennant said afterward, more specifically, coarctation of the aorta.

The hole in Rian’s heart closed on its own, but he still has a coarctation of the aorta, which is a narrowing of the large blood vessel that leads from the heart.

In children, the most common cause of high blood pressure is a narrowing, or coarctation, of the aorta.

In this study, the most common type of this defect was coarctation of the aorta -- a narrowing in the body's main artery that, in children, typically requires surgical repair.

From Reuters

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