Name: | centrum |
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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: | notochord outer sheath cell |
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Synonyms: | notochord sheath cell |
Definition: | Cells that form an epithelial-like sheath around the vacuolated inner notochord cells. Outer cells secrete a thick extracellular perinotochordal basement membrane. |
Ontology: | Anatomy Ontology [ZFA:0005744] |