Assertion: skull's bone | /r/HasProperty | ossified
Facets:
value: completely
type: DEGREE
Source sentences:
text: After the bone is completely ossified, the osteoblasts retract their calcium phosphate secreting tendrils, leaving tiny canals in the bony matrix, known as canaliculi.
text: The mandible forms as a bone (ossifies) over time from a left and right piece of cartilage called Meckel's cartilages.