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| Term | dorsal vessel primordium | ID (Ontology) | FBbt:00001665 (Fly Anatomy) | ||||||||||||||
| Definition | Primordium that makes the inner, contractile layer of the embryonic/larval dorsal vessel. This primordium originates in the mesodermal crest on each side of the embryo. Its component cells (embryonic cardioblasts) become distinct by stage 14. The dorsal vessel is formed by fusion of left and right primordia during, and immediately following, dorsal closure.[ FlyBase:FBrf0089570 FlyBase:FBrf0151925 ] | ||||||||||||||||
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Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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embryo |__developing embryonic structure_____ |__dorsal closure embryo______________| primordium | |__circulatory system primordium______| developing material anatomical entity | |__developing embryonic structure_____| mesodermal derivative | |__trunk mesoderm derivative__________| dorsal vessel primordium 161 rec. |__aorta primordium 15 rec. |__heart primordium 120 rec. |
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| Is a |
developing embryonic structure circulatory system primordium trunk mesoderm derivative |
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| Develops from | cardiogenic mesoderm | ||
| Part of | dorsal closure embryo | ||
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