…The arachnoid mater is a thin membrane without blood vessels, but the pia mater is connected to it by thin fibrous trabeculae called arachnoid columns, which look like spider silk, hence the name. The cavity between the pia mater and the arachnoid is called the subarachnoid space, which is filled with cerebrospinal fluid (CSF). Therefore, the subarachnoid space is connected to the ventricles. … *Some of the terminology that mentions "subarachnoid space" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…くも膜は血管を伴わない薄い膜であるが,軟膜はくも膜柱という細い繊維状の梁柱で接していて,それがクモの糸状に見えるので,このような名称で呼ばれるようになった。軟膜との間の腔所をくも膜下腔subarachnoid spaceといい,そこは髄液(脳脊髄液)で満たされている。したがって,くも膜下腔は脳室と連続している。… ※「subarachnoid space」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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