ALL meanings of pia mater
pi·a ma·ter
P p - noun pia mater the delicate, fibrous, and highly vascular membrane forming the innermost of the three coverings of the brain and spinal cord. Compare arachnoid (def 6), dura mater. 1
- noun pia mater the innermost of the three membranes (meninges) that cover the brain and spinal cord 0
- noun pia mater the vascular membrane immediately enveloping the brain and spinal cord and surrounded by the arachnoid and dura mater 0