FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term presynaptic active zone cytoplasmic component ID (Ontology) GO:0098831 (Gene Ontology)
Definition A specialized region below the presynaptic membrane, characterized by electron-dense material, a specialized cytoskeletal matrix and accumulated (associated) synaptic vesicles.
Also Known As "cortex of presynaptic active zone" ; "presynaptic zone cortex"
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_CELLULAR_COMPONENT       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
 Genes
 presynaptic active zone cytoplasmic component (all annotations which use CV term, excluding "NOT" statements)       5
     is_active_in | presynaptic active zone cytoplasmic component       5
Spanning Tree (Parents/Children)
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cell cortex
 |__cell cortex region_________
presynapse                     |
 |__presynaptic active zone____|
cytoplasmic region             |
 |__cell cortex region_________|
cellular anatomical structure  |
 |__presynaptic active zone____|
                               presynaptic active zone cytoplasmic component  14 rec.
                                |__cytoskeleton of presynaptic active zone 13 rec.
                                    |__presynaptic density(+) 1 rec.
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Is a cell cortex region
Part of presynaptic active zone
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Synonyms
  • "cortex of presynaptic active zone" EXACT
    "presynaptic zone cortex" EXACT
Secondary IDs
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