| 单词 | arachnoid |
| 释义 | arachnoid n. & adj. --n Anat. (in full arachnoid membrane) one of the three membranes (see MENINX) that surround the brain and spinal cord of vertebrates. --adj Bot. covered with long cobweb-like hairs. Etymology: mod.L arachnoides f. Gk arakhnoeides like a cobweb f. arakhne: see ARACHNID |
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