Term: centrum bone tissue
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: bone tissue
Synonyms:
Definition: Skeletal tissue with a collagen-rich extracellular matrix vascularized, mineralized with hydroxyapatite and typically including osteocytes located in lacunae that communicate with one another by cell processes (in canaliculi). Bone is deposited by osteoblasts.
Ontology: Anatomy Ontology [ZFA:0005621]