Name: | atrioventricular valve |
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Synonyms: | |
Definition: | The atrioventricular valve has four distinct leaflets oriented anterior, posterior, left, and right of the atrioventricular orifice. |
Ontology: | Anatomy Ontology [ZFA:0005064] |
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] |