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什么叫第五脑室

更新时间: 2020-09-17 00:00:00     

即透明隔间腔,又称第五脑室,正常胎儿4个月时,原始透明隔内形成中缝,发展为分离的小叶,小叶间隙称为透明隔腔,内充脑脊液,一般不通其他脑室,又有观点认为其通过孟氏孔与侧脑室相通,但另有观点认为:它们不参与脑脊液系统的循环,其双侧壁平行,在出生后2个月,双侧透明隔小叶融合,透明隔腔消失,但有12%~15%直到成年仍存在。

关键词: 什么 脑室

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