Assertion: arachnoid | /r/AtLocation | proximal fissure
Facets:
value: clearly
type: MANNER
Source sentences:
text: The arachnoid membrane across the sylvian fissure could clearly be seen in the proximal fissure, but distally, over the aneurysm, it was obliterated by the thick thrombus surrounding the fundus of a large bi-lobed aneurysm at the middle cerebral artery (MCA) bifurcation.