Noun: pia mater 'pI-u,mey-tu(r) or 'pee-u,maa-tu(r)- The highly vascular innermost of the 3 meninges
"The pia mater closely follows the contours of the brain"
Derived forms: pia maters
Type of: meninges, meninx
Part of: leptomeninges
Encyclopedia: Pia mater