好词典

coarctation

UK //ˌkəʊɑːkˈteɪʃən//US //ˌkoʊɑːrkˈteɪʃən//

词源

源自拉丁语 'coarctatio',由 'co-'(共同)和 'arctare'(收紧)组成,最早用于描述16世纪的医学狭窄现象。

noun

❶ 指身体管状结构(如血管或食道)的异常狭窄或收缩,通常由先天性缺陷或后天疾病引起。

“The baby was diagnosed with aortic coarctation shortly after birth.”

(这名婴儿出生后不久被诊断出主动脉缩窄。)

“Surgery is often required to correct severe coarctation of the esophagus.”

(严重的食道狭窄通常需要通过手术矫正。)

❶ 在生物学中,指生物体某部分的紧缩或压缩状态,可能是自然特征或病理表现。

“The coarctation of the insect's abdomen helps it conserve water in dry environments.”

(昆虫腹部的紧缩结构帮助它在干燥环境中保存水分。)

“Microscopic examination revealed coarctation in the plant's vascular tissue.”

(显微镜检查显示植物维管组织存在紧缩现象。)

同义词:constriction, narrowing, stenosis

常见短语

aortic coarctation — 特指主动脉的先天性狭窄,是常见的心脏出生缺陷之一,可能影响血液循环。

“Aortic coarctation repair is typically performed in early childhood.”

(主动脉缩窄修复手术通常在幼儿期进行。)