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parietal foramen
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parietal foramen
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理学
非测量性状
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parietal foramen
顶孔
位于颅骨矢状缝顶孔段,人字点前端3.5厘米左右的小孔。其直径通常小于4毫米,多数顶孔与颅内相通,是贯通枕静脉和上矢状窦之间的导静脉,以及脑膜动脉和枕动脉之间吻合的孔道。人类头骨解剖特征之一。
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