FB2026_03 , released September 17, 2026
CV Term Report
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Term cephalic vascular primordium ID (Ontology) FBbt:10005342 (Fly Anatomy)
Definition Primordium that is the precursor to the cephalic vascular rudiment. It is a group of cells that arises from the anterior part of the late secondary head mesoderm and can be distinguished by expression of tinman (De Velasco et al., 2004; de Velasco et al., 2006). These cells migrate backward to end up behind the brain and attach to the aorta to form the cephalic vascular rudiment (De Velasco et al., 2004).[ FlyBase:FBrf0179777 FlyBase:FBrf0190261 ]
Also Known As"head vascular rudiment primordium"
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 cephalic vascular primordium (all annotations which use CV term, excluding "NOT" statements)
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embryo
 |__developing embryonic structure_____
 |__dorsal closure embryo______________|
extended germ band embryo              |
 |__late extended germ band embryo_____|
developing material anatomical entity  |
 |__developing embryonic structure_____|
 |__primordium_________________________|
mesodermal derivative                  |
 |__head mesoderm derivative___________|
                                       cephalic vascular primordium  3 rec.
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Is a developing embryonic structure
primordium
head mesoderm derivative
Develops from secondary head mesoderm
Part of late extended germ band embryo
dorsal closure embryo
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