Term: blastema osteoblast
Name: blastema
Synonyms: regeneration blastema
Definition: A regenerating tissue composed of a proliferative mass of undifferentiated progenitor cells from which new differentiated structures arise.
Ontology: Anatomy Ontology [ZFA:0001270]

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]