Assertion: periosteum's function | /r/HasProperty | to protect bone
Facets:
value: from harm
type: TRANSITIVE-OBJECT
value: at this time
type: TEMPORAL
value: from injury
type: PURPOSE
Source sentences:
text: The main function of this connective tissue is to protect bones from injury.
text: At this time the main function of perioteum is to shield the bone from harm.