Name: | caudal fin lower lobe |
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Synonyms: | caudal fin ventral lobe |
Definition: | Surface structure that is the ventral portion of the caudal fin. |
Ontology: | Anatomy Ontology [ZFA:0001605] |
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] |