Definition of Pia mater
Pia mater: One of the meninges, the pia mater is the delicate innermost membrane enveloping the brain and spinal cord. It is known informally as the pia.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 8/28/2013
Medical Dictionary Definitions A - Z
Search Medical Dictionary
Brain and Nervous System Resources
- How Well Are You Living With AFib?
- How Well Are You Managing Your MS?
- Soothe Your Child's Cold or Flu