Assertion: cerebrum's layer | /r/CapableOf | form inner periosteum of the skull
Facets:
value: at the level of the skull
type: LOCATION
Source sentences:
text: At the level of the skull, the outer dura layer forms the inner periosteum of the skull and the inner dura layer forms the dural folds (falx and tentorium) that contains the dural sinuses.