FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term protocerebral bridge glomerulus ID (Ontology) FBbt:00003669 (Fly Anatomy)
Definition One of the 18 slices that make up the adult protocerebral bridge, 9 on each side of the midline, numbered 1-9 from medial to lateral.[ FlyBase:FBrf0049409 FlyBase:FBrf0205148 FlyBase:FBrf0213955 FlyBase:FBrf0224194 FlyBase:FBrf0227801 ]
Also Known As "protocerebral bridge slice"
Comment The identification of the most medial slice (slice 1) by Wolff et al. (2015) meant that the domain that was previously called slice 1 corresponds in fact to slice 2. Author mentions of 8 slices in the protocerebral bridge indicates that they are using the old nomenclature. Each of the two neighboring slices (2-3, 4-5, 6-7, 8-9) are associated more closely because small-field columnar neurons innervate the fan-shaped body via the protocerebral bridge, and these neurons are generated by the same neuroblasts, forming four groups on each side of the midline, from lateral to medial: segment pair W, X, Y and Z (Boyan and Williams et al., 2011; Ito and Awasaki, 2008).
Links to External Ontologies
VFB:FBbt_00003669
Annotations
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Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       1
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 protocerebral bridge glomerulus (all annotations which use CV term, excluding "NOT" statements)       1      1
Spanning Tree (Parents/Children)
Only view relationship: 
  synaptic neuropil subdomain
   |__synaptic neuropil segment
       |__protocerebral bridge glomerulus  3 rec.
           |__protocerebral bridge glomerulus 1
           |__protocerebral bridge glomerulus 2
           |__protocerebral bridge glomerulus 3
           |__protocerebral bridge glomerulus 4
           |__protocerebral bridge glomerulus 5
           |__protocerebral bridge glomerulus 6
           |__protocerebral bridge glomerulus 7
           |__protocerebral bridge glomerulus 8
           |__protocerebral bridge glomerulus 9 1 rec.
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Is a synaptic neuropil segment
Part of protocerebral bridge
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Synonyms
  • "protocerebral bridge slice" EXACT
Secondary IDs
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VFB:FBbt_00003669