| Term: | heart primordium presumptive 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: | heart primordium |
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| Synonyms: | cardiac field, heart primordia |
| Definition: | Bilateral groups of cells consisting of three rows: one row of endocardial precursors medially and two rows of myocardial precursors laterally. The two populations fuse at the midline between 21 and 26 somites to form the heart rudiment or cone. |
| Ontology: | Anatomy Ontology [ZFA:0000028] |
| Name: | presumptive endocardium |
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| Synonyms: | |
| Definition: | Portion of tissue that is part of the heart tube and will become the endocardium. |
| Ontology: | Anatomy Ontology [ZFA:0001724] |