FB2026_03 , released September 17, 2026
CV Term Report
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Term ventral neuroectoderm intermediate zone ID (Ontology) FBbt:00015559 (Fly Anatomy)
Definition A 2-3 cell wide mitotic domain of cells in the ventral neuroectoderm that divide approximately synchronously during mid-stage 9 and that extends medially from the medial edge of lVN (FBbt:00015558) to the lateral edge of mVN (FBbt:00015550).[ FlyBase:FBrf0076117 FlyBase:FBrf0089570 ]
Also Known As"intermediate ventral neuroectoderm" ; "iVN" ; "ventral neurectoderm intermediate zone"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 ventral neuroectoderm intermediate zone (all annotations which use CV term, excluding "NOT" statements)
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neurogenic region
 |__ventral neuroectoderm_______
developing embryonic structure  |
 |__mitotic domain______________|
ventral ectoderm                |
 |__ventral neuroectoderm_______|
portion of tissue               |
 |__mitotic domain______________|
epithelium                      |
 |__ventral neuroectoderm_______|
                                ventral neuroectoderm intermediate zone  23 rec.
                                 |__ventral neuroectoderm intermediate zone 1 2 rec.
                                 |__ventral neuroectoderm intermediate zone 2
                                 |__ventral neuroectoderm intermediate zone 3
                                 |__ventral neuroectoderm intermediate zone 4
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Is a mitotic domain
Part of ventral neuroectoderm
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