FB2026_03 , released September 17, 2026
CV Term Report
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Term disc epithelium proper ID (Ontology) FBbt:00007029 (Fly Anatomy)
Definition A columnar epithelial monolayer with marked apical-basal polarity: the apical side faces the disc lumen, the basal side is underlain by a basal lamina. The anterior-posterior compartment boundary of the imaginal discs runs through the middle of this epithelium. Cells in this epithelium are coupled by gap junctions, but this coupling is much reduced across the anterior-posterior compartment boundary.[ FlyBase:FBrf0064790 ]
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 disc epithelium proper (all annotations which use CV term, excluding "NOT" statements)
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larval imaginal tissue
 |__imaginal disc_________________
epithelium                        |
 |__cuboidal/columnar epithelium__|
multi-tissue structure            |
 |__imaginal disc_________________|
ventral ectoderm derivative       |
 |__imaginal disc_________________|
                                  disc epithelium proper  145 rec.
                                   |__clypeo-labral disc epithelium proper
                                   |   |__epithelial cell of clypeo-labral disc
                                   |__eye-antennal disc epithelium proper 4 rec.
                                   |   |__epithelial cell of eye-antennal disc 4 rec.
                                   |__genital disc epithelium proper
                                   |   |__epithelial cell of genital disc(+)
                                   |   |__female genital disc epithelium proper(+)
                                   |   |__male genital disc epithelium proper(+)
                                   |__haltere disc epithelium proper
                                   |   |__epithelial cell of haltere disc
                                   |__humeral disc epithelium proper
                                   |   |__epithelial cell of humeral disc
                                   |__imaginal disc epithelial cell 136 rec.
                                   |   |__epithelial cell of clypeo-labral disc
                                   |   |__epithelial cell of eye-antennal disc 4 rec.
                                   |   |__epithelial cell of genital disc(+)
                                   |   |__epithelial cell of haltere disc
                                   |   |__epithelial cell of humeral disc
                                   |   |__epithelial cell of labial disc
                                   |   |__epithelial cell of leg disc(+)
                                   |   |__epithelial cell of wing disc 75 rec.
                                   |   |__mystery cell 32 rec.
                                   |__labial disc epithelium proper
                                   |   |__epithelial cell of labial disc
                                   |__leg disc epithelium proper
                                   |   |__epithelial cell of leg disc(+)
                                   |   |__mesothoracic leg disc epithelium proper(+)
                                   |   |__metathoracic leg disc epithelium proper(+)
                                   |   |__prothoracic leg disc epithelium proper(+)
                                   |__wing disc epithelium proper 78 rec.
                                       |__epithelial cell of wing disc 75 rec.
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Is a cuboidal/columnar epithelium
Part of imaginal disc
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