Assertion: mature osteoblast | /r/HasProperty | embedded in the bone matrix
Facets:
value: to become
type: PURPOSE
Source sentences:
text: The immature osteoblasts, which express high levels of osteopontin, differentiate into mature osteoblasts, which express high levels of osteocalcin, and finally the mature osteoblasts are embedded in the bone matrix to become osteocytes.