FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term adult lateral accessory lobe ID (Ontology) FBbt:00003681 (Fly Anatomy)
Definition A bilaterally paired synaptic neuropil domain of the adult brain with a roughly pyramidal shape that is located inferior-lateral to the ellipsoid body and anterior-inferior to the bulb (lateral triangle). It lies behind the antennal lobe and in front of the ventral complex.[ FlyBase:FBrf0211016 FlyBase:FBrf0212704 FlyBase:FBrf0224194 ]
Also Known As"LAL" ; "vbo" ; "ventral body"
CommentThe LAL corresponds to part of the anterior superior part of the vmpr of Otsuna and Ito (2006) and to the ventral part of the inferior dorsofrontal protocerebrum (IDFP) of Chiang et al. (2011) (Ito et al., 2014).
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VFB:FBbt_00003681
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Data ClassFieldDirect annotations
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 adult lateral accessory lobe (all annotations which use CV term, excluding "NOT" statements)
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adult cerebrum
 |__lateral complex_____________
multi-cell-component structure  |
 |__synaptic neuropil domain____|
synaptic neuropil               |
 |__synaptic neuropil domain____|
synaptic neuropil block         |
 |__lateral complex_____________|
                                adult lateral accessory lobe  4281 rec.
                                 |__adult round body 4 rec.
                                 |__lateral domain of adult lateral accessory lobe 185 rec.
                                 |   |__gall(+) 185 rec.
                                 |__lower lateral accessory lobe
                                 |__medial domain of adult lateral accessory lobe
                                 |__upper lateral accessory lobe
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Is a synaptic neuropil domain
Develops from embryonic/larval lateral accessory lobe
Part of lateral complex
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VFB:FBbt_00003681