Assertion: mature osteoblast | /r/AtLocation | direct contact
Facets:
value: with the bone surface
type: TRANSITIVE-OBJECT
Source sentences:
text: Analysis of this location shows that mesenchymal progenitors appear as elongated fibroblasts within the outermost layers of the periosteum, whereas mature osteoblasts are of cuboidal morphology and are in direct contact with the bone surface; preosteoblasts reside between the two populations11,12.