| Term: | sinus venosus myocardium |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | sinus venosus |
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| 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: | myocardium |
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| Synonyms: | cardiac muscle, heart muscle |
| Definition: | |
| Ontology: | Anatomy Ontology [ZFA:0001319] |