FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term fat cell ID (Ontology) FBbt:00046052 (Fly Anatomy)
Definition A cell that is the principal cell type of the fat body and is filled with lipid droplets.[ FlyBase:FBrf0017184 FlyBase:FBrf0238315 ]
Also Known As "adipocyte" ; "adipose cell" ; "fat body cell"
Comment Adult and larval fat cells are specifically marked by Lsp2 expression, with greater expression at the larval stage (Lazareva et al., 2007 - FBrf0192478; Chintapalli et al., 2007 - FBrf0200485; Armstrong et al., 2014 - FBrf0226784). There is also relatively high expression of ppl and apollp in adult and larval fat cells (Colombani et al., 2003 - FBrf0161991; Chintapalli et al., 2007; Brankatschk and Eaton, 2010 - FBrf0211445).
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Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      89
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       2
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      81
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 fat cell (all annotations which use CV term, excluding "NOT" statements)      89      3      3     82
     fat cell | adult stage       3       --       --       3
     fat cell | adult stage | progressive       2       --       --       1
     fat cell | cell autonomous | larval stage | somatic clone       6       --       --       6
     fat cell | decreased number | somatic clone | third instar larval stage       1       --       --       --
     fat cell | early third instar larval stage       6       --       --       6
     fat cell | early third instar larval stage | somatic clone       8       --       --       6
     fat cell | larval stage      11       --       --      11
     fat cell | pupal stage       4       --       --       4
     fat cell | somatic clone       2       --       --       2
     fat cell | somatic clone | third instar larval stage       4       --       --       4
     fat cell | third instar larval stage      42       --       2     36
     fat cell | third instar larval stage | nutrition conditional       3       --       --       5
Spanning Tree (Parents/Children)
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  cell
   |__somatic cell
       |__fat cell  402 rec.
           |__adult fat cell 80 rec.
           |   |__adult abdominal fat cell 14 rec.
           |   |__adult pericerebral fat cell 16 rec.
           |   |__adult peripheral fat cell
           |__larval fat cell 161 rec.
               |__dissociated larval fat cell
               |__larval fat cell of larval fat body 67 rec.
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Is a somatic cell
Part of adipose system
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