coarctation
coarc·ta·tion
noun
1.
2.
(biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta
Origin
Borrowed from Latin coarctātiō (“drawing or crowding together”, noun), from coarctō (“to press together, compress, contract, confine”) + -ātiō (“-ation”, action noun suffix); equivalent to coarctate + -ion.
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Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.