by notanamelol July 09, 2019
by Z-Money June 03, 2005
by slowjaminhavindeepsex April 08, 2011
deepest layer of meningeal coverings of the brain, just superficial to the brain cortex/spinal cord and just deep to the arachnoid. reflects into all the sulci of the brain and is well vascularized. paper thin, aids in nourishing, cushioning, and protecting the CNS. gets inflamed during meningitis infection, with resulting CNS impairment.
The pia mater is extremely hard to pick away from the gross brain/spinal cord ... haha, now you're sharing in my pain of getting through medschool!
by UCLAcrewDude March 08, 2004
Conner told his boyfriend he'd rather do PIA than settle for head.
Yesterday Marcus had condomless PIA sex with his wife.
Yesterday Marcus had condomless PIA sex with his wife.
by Tyler123446 December 01, 2021