Assertion: patella's surface | /r/HasProperty | covered with cartilage
Facets:
value: in the recent state
type: LOCATION
Source sentences:
text: The posterior surface is largely articular, covered with cartilage in the recent state, and divided by a slightly marked vertical ridge, corresponding to the groove on the trochlear surface of the femur, into a lateral larger portion for the lateral condyle, and a medial smaller portion for the medial condyle.