FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term mesothoracic postnotum ID (Ontology) FBbt:00004588 (Fly Anatomy)
Definition The most posterior part of the mesothoracic tergum (Ferris, 1950). It lies partially under the scutellum with just a small crescent posterior to the scutellum visible from above (Ferris, 1950). It forms a deep phragma that projects into the thorax (Ferris, 1950). It is composed of two (bilateral) laterotergites and a (medial) mediotergite, separated by the postnotal ridges (Fabian et al., 2016).[ FlyBase:FBrf0007734 FlyBase:FBrf0027793 FlyBase:FBrf0166419 FlyBase:FBrf0233988 ]
Also Known As"mesopostnotum"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 mesothoracic postnotum (all annotations which use CV term, excluding "NOT" statements)
     mesothoracic postnotum | cell autonomous | ectopic | somatic clone
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     mesothoracic postnotum | heat sensitive
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     mesothoracic postnotum | P-stage
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notum
 |__mesonotum______________
adult external mesothorax  |
 |__mesonotum______________|
region of integument       |
 |__sclerite_______________|
                           mesothoracic postnotum  21 rec.
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Is a sclerite
Develops from presumptive postnotum
Part of mesonotum
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