单词：PIA
[医] 软脑[脊]膜
PIA的用法和样例：
例句
- A network of extremely small blood vessels passing between the pia mater and the cerebral cortex.大脑绒被从软膜和大脑皮层之间穿过的极细的小血管形成的网
词汇搭配
- cerebral pia mater软脑膜
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