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| Term | ventral nerve cord primordium | ID (Ontology) | FBbt:00005554 (Fly Anatomy) | |||||||||||||||||||||||||||||
| Definition | Primordium which is formed by the delamination of neuroblasts from the ventral neurogenic region. The first of five waves of delamination starts towards the end of embryonic stage 8. During stage 11, the mesectoderm loses contact with the outer surface and forms neuronal and glial precursors in the midline of this primordium.[ FlyBase:FBrf0089570 ] | |||||||||||||||||||||||||||||||
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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_____ |__extended germ band embryo__________| developing material anatomical entity | |__developing embryonic structure_____| |__primordium_________________________| ectodermal derivative | |__ventral ectoderm derivative________| multicellular structure | |__portion of tissue__________________| ventral nerve cord primordium 875 rec. |__ganglion mother cell GMC7-1a |__ganglion mother cell GMC7-1b |__ganglion mother cell GMC7-1c |__ganglion mother cell GMC7-1d |__ganglion mother cell GMC7-1e |__ganglion mother cell GMC7-1f |
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| Is a |
developing embryonic structure primordium portion of tissue ventral ectoderm derivative |
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| Develops from | ventral neuroectoderm | ||
| Part of | extended germ band embryo | ||
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