FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term adult lateral antennal lobe tract ID (Ontology) FBbt:00003983 (Fly Anatomy)
Definition Tract that emerges from the posterior ventral part of the antennal lobe, at the horizontal level of the top of the V glomerulus (ventral root). It runs posteriorly, turns dorsolaterally and runs through the ventrolateral protocerebrum to project to the medial periphery of the lateral horn. It contains axons of antennal lobe projection neurons.[ FlyBase:FBrf0051437 FlyBase:FBrf0219793 FlyBase:FBrf0219809 FlyBase:FBrf0224194 ]
Also Known As"lALT" ; "lAPT" ; "lateral antennal lobe-protocerebral tract" (for all, see Synonyms field below)
CommentTwo small tracts branch from the main lALT, where it intersects the commissure of the antennal mechanosensory and motor center and ventrolateral protocerebrum (VLP). One (l4ALT) turns dorsolaterally, ran parallel to the lALT and terminates in the central and posterior dorsomedial VLP; the other (l5ALT) turns ventrolaterally and arborizes in the posterior ventral part of the VLP. Some of the projection neurons that fasciculate with the lALT send collateral branches to the posterior lateral protocerebrum (PLP) via the lateral section of the posterior lateral fascicle (PLF) and to the ring neuropil via the superior section of the PLF (Tanaka et al., 2012).
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VFB:FBbt_00003983
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Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 adult lateral antennal lobe tract (all annotations which use CV term, excluding "NOT" statements)
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antennal lobe tract
 |__adult antennal lobe tract__
adult brain                    |
 |__adult antennal lobe tract__|
 |__adult cerebral ganglion____|
supraesophageal ganglion       |
 |__adult cerebral ganglion____|
anterior ectoderm derivative   |
 |__adult cerebral ganglion____|
                               adult lateral antennal lobe tract  10 rec.
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Is a adult antennal lobe tract
Part of adult cerebral ganglion
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VFB:FBbt_00003983