OBO ID: ZFA:0000364 |
Term Name: | hypural | Search Ontology: | |
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Definition: | Expanded and laterally flattened hemal arches and spines. They support the lepidotrichia of the caudal fin. The hypurals form ventral to the posterior tip of the dorsally-flexed notochord. In zebrafish condensation of the hypurals begins at approximately 6 dpf (4.1 mm NL, notochord length). (1) | ||
Appears at: | Larval:Day 4 (96.0h-120.0h) | ||
Evident until: | Adult (90d-730d, breeding adult) | ||
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Ontology: | Anatomy Ontology |