单词	subarachnoid
释义	subarachnoid /ˌsvbəˈraknɔɪd / adjective Anatomy Denoting or occurring in the fluid-filled space around the brain between the arachnoid membrane and the pia mater, through which major blood vessels pass.Major findings include subdural and subarachnoid hemorrhages and diffuse axonal injury in the brain and retinal hemorrhages in the eyes.... Local extension, rapid growth, invasion of adjacent structures, and CNS spread via the ventricular system or subarachnoid space are often suggestive of, but not always diagnostic of, malignancy. I have been through a serious medical ordeal, involving a subarachnoid aneurysm (blood vessel in my brain leaking) and subsequent brain surgery.
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