subarachnoid space

(redirected from leptomeningeal space)
Also found in: Dictionary, Thesaurus, Medical.
Related to leptomeningeal space: meninx, Cerebral meninges, Arachnoid layer

subarachnoid space

[¦səb·ə′rak‚nȯid ¦spās]
(anatomy)
The space between the pia mater and the arachnoid of the brain.