Assertion: pia mater | /r/CapableOf | begin as mesothelial lining
Facets:
value: in the perivascular spaces
type: LOCATION
value: on the outer surface
type: LOCATION
Source sentences:
text: In the perivascular spaces, the pia mater begins as mesothelial lining on the outer surface, but the cells then fade to be replaced by neuroglia elements.
text: In the perivascular spaces, the pia mater begins as mesothelial lining on the outer surface, but the cells then fade to be replaced by neuroglia elements.