Pia mater

noun

Definitions

Noun
  1. 1
    The innermost of the meninges, the membranes that surround the brain and spinal cord.

    "Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems— […]. Such a slow-release device containing angiogenic factors could be placed on the pia mater covering the cerebral cortex and tested in persons with senile dementia in long term studies."

  2. 2
    the highly vascular innermost of the 3 meninges wordnet

Etymology

From Medieval Latin pia māter (literally “tender mother”).

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