Name: | caudal fin |
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Synonyms: | tail, tail fin |
Definition: | Fin that is the most posterior median fin. It is composed of a complex of three modified centra and modified neural and hemal arches and spines. |
Ontology: | Anatomy Ontology [ZFA:0001058] |
Name: | ventral side |
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Synonyms: | ventral |
Definition: | An anatomical region that is the entire part of an anatomical structure ventral to a horizontal plane and bounded on one side by the same horizontal plane. |
Ontology: | Spatial Ontology [BSPO:0000068] |