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atresia是什么意思？

基础释义
例句
英英词典释义
行业词典释义

atresia

英[eɪt'ri:zɪə] 美[eɪt'rizɪr]

n. 闭锁；

相关单词 atresia oris colpatresia dacryagogatresia elytratresia hedratresia metratresia

例句

Biliary atresia is a common, cholestatic disease of infancy of unknown cause with a poor prognosis. 胆道闭锁(Biliaryatresia,BA) 是新生儿胆汁郁积最常见的原因, 病因尚不明确,预后差.
Objective To explore the surgical treatment of congenital choanal atresia ( CCA ) . 目的探讨先天性后鼻孔闭锁的手术时机和手术方式.
Surgical Treatment of Congenital Atresia of External Auditory Meatus ( Analysis of 13 ears ) 先天性外耳道闭锁的外科治疗 ( 附13耳分析 )
Most ovarian follicles undergo an involutional process called follicular atresia. 大多数卵泡都经过退化变为闭锁卵泡.

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英英词典释义

Noun
1. an abnormal condition in which a normal opening or tube in the body (as the urethra) is closed or absent

行业词典

医学：闭锁，无孔，不通：正常身体的孔或管道器官的先天性缺失或关闭，如食管闭锁和左心房闭锁；
药学：闭锁；