English Explanatory Dictionary

subarachnoid space

English dictionary entry

Meanings

noun
  1. The space between the arachnoid mater and the pia mater that surrounds the brain and spinal cord, through which the cerebrospinal fluid circulates and major blood vessels pass, and across which extend delicate trabeculae of connective tissue.

Word forms

subarachnoid space subarachnoid spaces
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