FB2026_03 , released September 17, 2026
CV Term Report
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Term adult Malpighian tubule Type II cell ID (Ontology) FBbt:00005736 (Fly Anatomy)
Definition Type II cell of the adult Malpighian tubule. These cells are found only in the upper tubule (initial, transitional and main segments) (Wang and Spradling, 2020). These cells show a bar-shaped morphology in the initial and transitional segments and stellate-shaped morphology in the main segment (Denholm et al., 2013).[ FlyBase:FBrf0220823 FlyBase:FBrf0222532 FlyBase:FBrf0245230 ]
CommentThe change in Type II cell shape from cuboidal to bar-shaped (initial and transitional segments) or stellate-shaped (main segment) occurs in the last 12h of pupal development (Denholm, 2013).
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 adult Malpighian tubule Type II cell (all annotations which use CV term, excluding "NOT" statements)
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adult Malpighian tubule
 |__adult specialized Malpighian tubule cell__
adult Malpighian tubule segment               |
 |__adult upper Malpighian tubule_____________|
specialized Malpighian tubule cell            |
 |__adult specialized Malpighian tubule cell__|
 |__Malpighian tubule Type II cell____________|
visceral trunk mesoderm derivative            |
 |__Malpighian tubule Type II cell____________|
                                              adult Malpighian tubule Type II cell  35 rec.
                                               |__adult Malpighian tubule bar-shaped cell 8 rec.
                                               |   |__adult Malpighian tubule bar-shaped cell of initial segment 5 rec.
                                               |   |__adult Malpighian tubule bar-shaped cell of transitional segment 1 rec.
                                               |__adult Malpighian tubule stellate cell of main segment 12 rec.
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Is a adult specialized Malpighian tubule cell
Malpighian tubule Type II cell
Part of adult upper Malpighian tubule
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Synonyms
  • "adult Malpighian tubule SC" NARROW
    "adult Malpighian tubule stellate cell" NARROW[ FlyBase:FBrf0030988 ]
Secondary IDs
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