Name: | os suspensorium |
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Synonyms: | |
Definition: | Thin, rod-shaped, anteroventrally directed membrane bone that develops as a separate outgrowth from the cartilage parapophysis of the fourth vertebra; develops ventrally to curve around the anterior head of the swim bladder. It articulates with the tripus at the tripus-swim bladder connection. Often termed a fifth Weberian ossicle. |
Ontology: | Anatomy Ontology [ZFA:0001171] |
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] |