subpial
adjective
sub·pi·al
-ˈpī-əl, -ˈpē- 
: situated or occurring beneath the pia mater
subpial tissue
Cite this Entry
“Subpial.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/subpial. Accessed 5 Dec. 2025.
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