Assertion: pia mater | /r/CapableOf | rest against the surface of the brain
Facets:
Source sentences:
text: As the arachnoid mater has the calvaria as its border, as opposed to the pia mater which rests against the surface of the brain, it leads to expansions of the subarachnoid space where there is a deviation from the scull’s inner surface to the brain’s surface.