| 单词 | coarctation |
| 释义 | coarctation /koh'ahrk tay"sheuhn/, n. 1. Pathol. a. a narrowing of the lumen of a blood vessel. b. a congenital anomaly of the heart in which there is a narrowing of the aorta, resulting in abnormal blood flow. 2. Entomol. the condition of having the body enclosed in a hardened shell or puparium. [1400-50; late ME coartacioun pressure, constriction < L coar(c)tation-, s. of coar(c)tatio; see COARCTATE, -ION] |
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