Term: centrum ossification
Name: centrum
Synonyms: autocentrum
Definition: Centra are represented by mineralized, calcified, or ossified portions that surround the notochord. The autocentrum, present in Danio and all other living teleosts, is formed by direct ossification outside the elastica externa of the notochord (Arratia, 1999).
Ontology: Anatomy Ontology [ZFA:0000126]

Name: ossification
Synonyms: bone biosynthesis, bone formation, osteogenesis
Definition: The formation of bone or of a bony substance, or the conversion of fibrous tissue or of cartilage into bone or a bony substance.
Ontology: GO: Biological Process [GO:0001503]    QuickGO    AmiGO