| Term: | atrium heart contraction |
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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: | heart contraction |
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| Synonyms: | cardiac contraction, heart beating, hemolymph circulation |
| Definition: | The multicellular organismal process in which the heart decreases in volume in a characteristic way to propel blood through the body. |
| Ontology: | GO: Biological Process [GO:0060047] QuickGO AmiGO |