Name: | dorsal fin lepidotrichium |
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Synonyms: | dorsal fin lepidotrichia, dorsal fin ray |
Definition: | Lepidotrichium which is part of the dorsal fin. Bony, bilaterally paired segmented dermal ossification extending distally from the endoskeletal supports. They develop around actinotrichia as part of the dermal exoskeleton. |
Ontology: | Anatomy Ontology [ZFA:0001418] |
Name: | absent |
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Synonyms: | absence, absent from organism |
Definition: | A quality denoting the lack of an entity. |
Ontology: | Phenotypic Quality Ontology [PATO:0000462] |