FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term outer acrosomal membrane ID (Ontology) GO:0002081 (Gene Ontology)
Definition The acrosomal membrane region that underlies the plasma membrane of the sperm. This membrane fuses with the sperm plasma membrane as part of the acrosome reaction.[ PubMed:8936405 ]
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
Annotations
Records annotated with this term OR any of its CHILD TERMS
    Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_CELLULAR_COMPONENT       1
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes
 outer acrosomal membrane (all annotations which use CV term, excluding "NOT" statements)       1
     located_in | outer acrosomal membrane       1
Spanning Tree (Parents/Children)
Only view relationship: 
acrosomal vesicle
 |__acrosomal membrane____________
vesicle membrane                  |
 |__cytoplasmic vesicle membrane__|
secretory granule membrane        |
 |__acrosomal membrane____________|
cytoplasmic vesicle               |
 |__cytoplasmic vesicle membrane__|
                                  outer acrosomal membrane  1 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a cytoplasmic vesicle membrane
Part of acrosomal membrane
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts