Assertion: pia mater | /r/HasProperty | vascular membrane
Facets:
value: pia mater
type: OTHER
Source sentences:
text: Pia mater: The pia mater is a vascular membrane that covers the spinal cord and is separated from the arachnoid mater by the subarachnoid space, which is filled with cerebrospinal fluid.
text: The pia mater is a vascular membrane, consisting of a minute plexus of bloodvessels, held together by an extremely fine areolar tissue and covered by a reflexion of the mesothelial cells from the arachnoid trabeculæ.