| Name: | sinus venosus |
|---|---|
| Synonyms: | inflow tract |
| Definition: | Heart region collecting blood from the paired common cardinal veins and delivering to the atrium. One of four components of the heart. The sinus venosus also acts as a pacemaker and is the first to contract. |
| Ontology: | Anatomy Ontology [ZFA:0000154] |
| Name: | Ab1-isl | ||||||||||||
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| Previous Name: | 40.2D6 (1) | ||||||||||||
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| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |