FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term epandrium ID (Ontology) FBbt:00004839 (Fly Anatomy)
Definition Horseshoe-shaped tergite which, dorsally, surrounds the male cerci. It contains about 30 epandrial bristles on each side. The left and right sides of the epandrium are connected by the subepandrial sclerite. The ventral part of each side of the epandrium is divided into an epandrial ventral lobe and an epandrial posterior lobe.[ FlyBase:FBrf0029539 FlyBase:FBrf0244105 ]
Also Known As "abdominal tergite 9" ; "genital arch"
Comment
Links to External Ontologies
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      25
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       4
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       5
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 Images Insertions Constructs
 epandrium (all annotations which use CV term, excluding "NOT" statements)      25      7      4      5
     epandrium | ectopic       1       --       --       --
     epandrium | heat sensitive       2       --       --       --
     epandrium | male | somatic clone       1       --       1       --
     epandrium | somatic clone       3       --       --       1
Spanning Tree (Parents/Children)
Only view relationship:
sclerite
 |__abdominal tergite____________
dorsal ectoderm derivative       |
 |__abdominal tergite____________|
region of integument             |
 |__periphallic sclerite_________|
male-specific anatomical entity  |
 |__periphallic sclerite_________|
                                 epandrium  64 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a abdominal tergite
periphallic sclerite
Develops from presumptive epandrium
Part of adult abdominal segment 9
male genitalia
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?epandrium