Term: osteoblast extracellular matrix
Name: osteoblast
Synonyms: osteoblasts
Definition: A bone-forming cell which secretes an extracellular matrix. Hydroxyapatite crystals are then deposited into the matrix to form bone.
Ontology: Anatomy Ontology [ZFA:0009031]

Name: extracellular matrix
Synonyms: matrisome, proteinaceous extracellular matrix
Definition: A structure lying external to one or more cells, which provides structural support, biochemical or biomechanical cues for cells or tissues.
Ontology: GO: Cellular Component [GO:0031012]    QuickGO    AmiGO