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正常人的胃有多少厘米
更新时间: 2020-11-02 00:00:00  

正常人的胃有340mm,胃大部分位于左季肋区,小部分位于腹上区,胃的前壁在右侧与肝左叶贴近,在左侧与膈相邻,为左助弓所掩盖,上接食道,下通小肠。胃的形状与动物体形有关鱼类、有尾两栖类和蛇类,因其身体细长,胃呈纺锤形;哺乳类动物因身体粗短,胃则呈袋状弯曲,横卧于腹腔内。

关键词: 正常人 多少 厘米

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