Subarachnoid is a 12 letter English word. It's valid Words with friends word worth 23 points.
You can make 1679 anagrams from letters in subarachnoid (aabcdhinorsu).
First recorded in 1830-40; sub- + arachnoid
The blood may escape through the pia mater into the subarachnoid cavity, and large clots be formed.
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