coarctation

/koh-ahrk-tey-shuhn/US // ˌkoʊ ɑrkˈteɪ ʃən //

共济失调,共济会,共济失调症,共济会会员

Definitions

n.名词 noun

1
- : 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.