FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term embryonic/larval antennal lobe ID (Ontology) FBbt:00007127 (Fly Anatomy)
Definition Paired synaptic neuropil domain of the larval deutocerebrum, located ventral to the mushroom body, that is the major target of innervation for axons carried by the antennal nerve. It is also connected to the antero-basal tract (ABT). Its posterior boundary contacts the lateral accessory lobe, ventromedial cerebrum, ventrolateral protocerebrum and periesophageal neuropils. It is the larval counterpart of the adult antennal lobe, and consists of around 22 glomeruli.[ FlyBase:FBrf0155900 FlyBase:FBrf0208205 FlyBase:FBrf0211016 ]
Also Known As "antennal compartment" ; "BA" ; "baso-anterior synaptic neuropil domain" (for all, see Synonyms field below)
Comment Note - description of relative location of brain structures in this definition is based on Younossi-Hartenstein et al., 2003 description of the first instar larval brain and Pereanu et al., 2010 third instar larval brain.
Links to External Ontologies
VFB:FBbt_00007127
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
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       9
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 Insertions Constructs
 embryonic/larval antennal lobe (all annotations which use CV term, excluding "NOT" statements)       1      9      7
Spanning Tree (Parents/Children)
Only view relationship: 
larval antennal segment
 |__larval deutocerebrum________
larval neuromere                |
 |__larval deutocerebrum________|
larval central nervous system   |
 |__larval sensory compartment__|
deutocerebrum                   |
 |__larval deutocerebrum________|
 |__antennal lobe_______________|
synaptic neuropil domain        |
 |__antennal lobe_______________|
 |__larval sensory compartment__|
larval central brain            |
 |__larval deutocerebrum________|
larval supraesophageal zone     |
 |__larval deutocerebrum________|
                                embryonic/larval antennal lobe  44 rec.
                                 |__embryonic/larval antennal lobe glomerulus 27 rec.
                                     |__larval antennal lobe glomerulus 1a 1 rec.
                                     |__larval antennal lobe glomerulus 13a 1 rec.
                                     |__larval antennal lobe glomerulus 22c 1 rec.
                                     |__larval antennal lobe glomerulus 24a 1 rec.
                                     |__larval antennal lobe glomerulus 30a 1 rec.
                                     |__larval antennal lobe glomerulus 33a 1 rec.
                                     |__larval antennal lobe glomerulus 33b/47a 2 rec.
                                     |__larval antennal lobe glomerulus 35a 1 rec.
                                     |__larval antennal lobe glomerulus 42a 1 rec.
                                     |__larval antennal lobe glomerulus 42b 1 rec.
                                     |__larval antennal lobe glomerulus 45a 1 rec.
                                     |__larval antennal lobe glomerulus 45b 1 rec.
                                     |__larval antennal lobe glomerulus 49a 1 rec.
                                     |__larval antennal lobe glomerulus 59a 1 rec.
                                     |__larval antennal lobe glomerulus 63a 1 rec.
                                     |__larval antennal lobe glomerulus 67b 1 rec.
                                     |__larval antennal lobe glomerulus 74a 1 rec.
                                     |__larval antennal lobe glomerulus 82a 1 rec.
                                     |__larval antennal lobe glomerulus 83a 1 rec.
                                     |__larval antennal lobe glomerulus 85c 1 rec.
                                     |__larval antennal lobe glomerulus 94b
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Is a antennal lobe
larval sensory compartment
Part of larval deutocerebrum
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Synonyms
Secondary IDs
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larvalbrain_neuropil:374
larvalbrain_neuropil:552
VFB:FBbt_00007127