Body Space or Junction
subarachnoid space
[ suhb-uh-rak-noid speys ]
Subclass of:
Arachnoid mater
Definitions related to subarachnoid space:
  • Space between arachnoid and pia mater, containing cerebrospinal fluid and bridged by trabeculae.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Space inside the brain where cerebrospinal fluid circulates.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • The space between the arachnoid membrane and the pia mater; it contains connective tissue, cerebrospinal fluid, and large blood vessels that supply the brain and spinal cord.
    NCI
    U.S. National Cancer Institute, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.