| Term: | atrium endocardium |
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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: | atrium |
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| Synonyms: | |
| Definition: | Cavitated compound organ that receives inflow of deoxygenated blood and delivers it to a muscular cardiac ventricle. Valves are present to direct flow. There are only two chambers present in the fish heart. |
| Ontology: | Anatomy Ontology [ZFA:0000471] |
| Name: | endocardium |
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| Synonyms: | |
| Definition: | Layer that lines the lumen of the heart. |
| Ontology: | Anatomy Ontology [ZFA:0001320] |