subarachnoid space

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subarachnoid space

n.
The space between the arachnoid membrane and pia mater that is filled with cerebrospinal fluid and contains the large blood vessels that supply the brain and spinal cord.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.subarachnoid space - a space in the meninges beneath the arachnoid membrane and above the pia mater that contains the cerebrospinal fluid
meninges, meninx - a membrane (one of 3) that envelops the brain and spinal cord
space - an empty area (usually bounded in some way between things); "the architect left space in front of the building"; "they stopped at an open space in the jungle"; "the space between his teeth"
Translations
Subarachnoidalraum
References in periodicals archive ?
Lastly, if the arachnoid is disrupted and the anesthetic agent deposits in the subarachnoid cavity (intrathecal), the anesthesia will be spinal or subarachnoid.
Subarachnoid hemorrhage refers to bleeding in the subarachnoid cavity.