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| Term | midline primordium | ID (Ontology) | FBbt:00005528 (Fly Anatomy) | ||||||||||||||
| Definition | Region of the developing embryonic central nervous system that is derived from the mesectoderm and found at the midline (Kearney et al., 2004). The mesectodermal cells have undergone further cell division and differentiation and a metameric organization is now more apparent (Kearney et al., 2004).[ FlyBase:FBrf0089570 FlyBase:FBrf0180108 FlyBase:FBrf0195284 ] | ||||||||||||||||
| Comment | Kearney et al. (2004) refer to this as 'mature midline' from stage 13, despite the presence of immature cells. | ||||||||||||||||
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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_______________ developing material anatomical entity | |__developing embryonic structure_______________| |__primordium___________________________________| presumptive embryonic/larval system | |__presumptive embryonic/larval nervous system__| ectodermal derivative | |__mesectodermal derivative_____________________| midline primordium 240 rec. |__midline glial primordium 25 rec. | |__embryonic anterior midline glial cell | |__embryonic posterior midline glial cell 25 rec. |__midline neuronal primordium 6 rec. |__somatic cell of midline primordium 25 rec. |__embryonic anterior midline glial cell |__embryonic posterior midline glial cell 25 rec. |
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| Is a |
developing embryonic structure primordium mesectodermal derivative |
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| Part of | presumptive embryonic/larval nervous system | ||
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