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Noun: coarctation  kow,aa(r)k'tey-shun
  1. Tight or narrow compression
    - constriction
  2. (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta

Derived forms: coarctations

Type of: compression, condensation, contraction, narrowing

Encyclopedia: Coarctation