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coarctation
[ koh-ahrk-tey-shuhn ]
noun
- Pathology.
- a narrowing of the lumen of a blood vessel.
- a congenital anomaly of the heart in which there is a narrowing of the aorta, resulting in abnormal blood flow.
- 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
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