coarctation

[ koh-ahrk-tey-shuh n ]
/ ˌkoʊ ɑrkˈteɪ ʃən /

noun

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.
Entomology. the condition of having the body enclosed in a hardened shell or puparium.

Origin of coarctation

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

Words nearby coarctation

coaptation, coaptation splint, coaptation suture, coarct, coarctate, coarctation, coarse, coarse fish, coarse-grained, coarsen, coarser

Medical definitions for coarctation

coarctation
[ kō′ärk-tā′shən ]

n.

A constriction, stricture, or stenosis.