pial

[ pahy-uh l, pee- ]
/ ˈpaɪ əl, ˈpi- /

adjective

of or relating to the pia mater.

Origin of pial

First recorded in 1885–90; pi(a mater) + -al1

Related forms

sub·pi·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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