Assertion: fibula | /r/HasProperty | primary donor site
Facets:
value: for bone grafts
type: PURPOSE
value: because of dense vascularization
type: CAUSE
Source sentences:
text: Because of its lack of weight-bearing (except for tibialization of the fibula as described above) and dense vascularization, the fibula is a primary donor site for bone grafts to repair the mandible and a few other sites.