FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term ring gland ID (Ontology) FBbt:00001722 (Fly Anatomy)
Definition A cluster that surrounds the aorta, dorsal to the esophagus. It is composed of the corpus allatum (CA), corpus cardiacum (CC) and the prothoracic gland in the larva and the CA, CC and hypocerebral ganglion in the adult (Hartenstein, 1993). In the larva it is found anterior to the brain (Dai and Gilbert, 1991). The gland migrates posteriorly during pupal stages and the larval prothoracic gland degenerates (Dai and Gilbert, 1991). In the adult it is found posterior to the brain, just anterior to the proventriculus (Nassel and Zandawala, 2020).[ FlyBase:FBrf0053727 FlyBase:FBrf0064803 FlyBase:FBrf0089570 FlyBase:FBrf0179777 FlyBase:FBrf0239029 FlyBase:FBrf0247015 ]
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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      33
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION     161
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       4
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      11
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 ring gland (all annotations which use CV term, excluding "NOT" statements)      38     84      1    165     25
     ring gland | heat sensitive       1       --       --       --       --
     ring gland | larval stage       1       --       --       --       --
     ring gland | somatic clone | third instar larval stage       1       --       --       1       --
     ring gland | third instar larval stage       8       --       --       1      7
Spanning Tree (Parents/Children)
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material anatomical entity
 |__endocrine system component__
disconnected anatomical group   |
 |__anatomical cluster__________|
                                ring gland  622 rec.
                                 |__adult ring gland 34 rec.
                                 |__larval ring gland 347 rec.
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Is a anatomical cluster
endocrine system component
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UBERON:6001722