Assertion: sacrum's base | /r/CapableOf | remain cartilaginous
Facets:
value: in its center
type: LOCATION
value: until advanced age
type: TEMPORAL
Source sentences:
text: The base of the process is separated from the body by a cartilaginous disk, which gradually becomes ossified at its circumference, but remains cartilaginous in its center until advanced age.
text: The base of the process is separated from the body by a cartilaginous disk, which gradually becomes ossified at its circumference, but remains cartilaginous in its center until advanced age.