imperforation
imperforation词义
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n.
封闭状态，无孔的东西；
imperforation用法
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权威例句
imperforationimperforation
[Upper anal imperforation, treatment and results]
[Congenital imperforation of the nasolacrimal canal]
Imperforation of the nasolacrimal duct as a cause of nasal obstruction in the newborn.
IMPERFORATION OF THE LACHRYMONASAL DUCT IN THE NEW-BORN, AND ITS CLINICAL MANIFESTATIONS.
[False ranula of the newborn or imperforation of Wharton's duct]
From the Mermaid to Anal Imperforation: The Syndrome of Caudal Regression
Monocanaliculonasal and/or monocanalicular intubation assembly, mainly for nasolachrymal imperforation
Giant fecaloma in an adult with severe anal stricture caused by anal imperforation treated by proctocolectomy and ileostomy: report ...