pia-arachnoid /pia-arach·noid/ (-ah-rak´noid) the pia mater and arachnoid considered together as one functional unit; the leptomeninges.
pia-arachnoid
pi·a-a·rach·noid (p   --r k noid, p -) or pi·a·rach·noid (p-rk-, p-)n. See leptomeninges. |
pia-arachnoid
[pī′ə·arak′noid]
Etymology: L, pia, tender; Gk, arachne, spider, eidos, form
pertaining to both the pia mater and arachnoid layers of the meninges covering the brain and spinal cord.
pia-arachnoid
the pia mater and arachnoid considered together as one functional unit; the leptomeninges.
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