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subarachnoid

   Also found in: Dictionary/thesaurus, Wikipedia 0.06 sec.
subarachnoid /sub·arach·noid/ (sub″ah-rak´noid) between the arachnoid and the pia mater.
Subarachnoid
Referring to the space underneath the arachnoid mater.

subarachnoid
[sub′ərak′noid]
Etymology: L, sub + Gk, arachne, spider, eidos, form
pertaining to the area under the arachnoid membrane and above the pia mater.

subarachnoid
between the arachnoid and the pia mater.

subarachnoid block
anesthesia produced by the injection of a local anesthetic into the subarachnoid space around the spinal cord. See also spinal anesthesia.


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