definitions
  • synonyms

subarachnoid space

[ sŭb′ə-răknoid′ ]

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.

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Nearby words

subapostolic, subaqua, subaquatic, subaqueous, subarachnoid, subarachnoid space, subarctic, subarcuate fossa, subarea, subarid, subassemble
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.