FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term FBbt:00003686 ID (Ontology) FBbt:00003686 (Fly Anatomy)
Definition Intrinsic neuron of the mushroom body. They have tightly-packed cell bodies, situated in the rind above the calyx of the mushroom body (Ito et al., 1997). Four short fascicles, one per lineage, extend from the cell bodies of the Kenyon cells into the calyx (Ito et al., 1997). These 4 smaller fascicles converge in the calyx where they arborize and form pre- and post-synaptic terminals (Christiansen et al., 2011), with different Kenyon cells receiving input in different calyx regions/accessory calyces (Tanaka et al., 2008). They emerge from the calyx as a thick axon bundle referred to as the peduncle that bifurcates to innervate the dorsal and medial lobes of the mushroom body (Tanaka et al., 2008).[ FlyBase:FBrf0092568 FlyBase:FBrf0205263 FlyBase:FBrf0214059 ]
Also Known As "intrinsic cell of mushroom body" ; "intrinsic neuron of mushroom body" ; "KC" (for all, see Synonyms field below)
Comment Pre-synaptic terminals were identified using two presynaptic markers (Brp and Dsyd-1) and post-synaptic terminals by labelling a subunit of the acetylcholine receptor (Dalpha7) in genetically labelled Kenyon cells (Christiansen et al., 2011).
Links to External Ontologies
VFB:FBbt_00003686
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN     106
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      72
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      44
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      36
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles  Genes Insertions Constructs
 FBbt:00003686 (all annotations which use CV term, excluding "NOT" statements)     112      1     38    115     55
     FBbt:00003686 | FBcv:0000336       8       --       --       3       --
     FBbt:00003686 | FBcv:0000793       2       --       --       --       1
     FBbt:00003686 | FBdv:00005327       5       --       --       --       1
     FBbt:00003686 | FBdv:00005339       5       --       --       --       3
     FBbt:00003686 | FBdv:00005349       5       --       --       1      2
     FBbt:00003686 | FBdv:00005349 | FBcv:0000336       1       --       --       --       --
     FBbt:00003686 | FBdv:00005369       3       --       --       --       2
     FBbt:00003686 | FBdv:00005369 | FBcv:0000309       2       --       --       --       2
     FBbt:00003686 | FBdv:00005369 | FBcv:0000336       1       --       --       --       --
     FBbt:00003686 | FBdv:00005369 | FBcv:0000793       8       --       --       --       7
     FBbt:00003686 | FBdv:00005369 | FBcv:0000793 | FBcv:0000336       1       --       --       --       --
     FBbt:00003686 | FBdv:00007001       2       --       --       --       1
Spanning Tree (Parents/Children)
Only view relationship: 
FBbt:00005125
 |__FBbt:00007484__
FBbt:00025990      |
 |__FBbt:00025991__|
                   FBbt:00003686  853 rec.
                    |__FBbt:00047993
                    |__FBbt:00047994
                    |   |__FBbt:00047997
                    |   |__FBbt:00047998
                    |   |__FBbt:00047999
                    |   |__FBbt:00048000
                    |   |__FBbt:00048001
                    |__FBbt:00047995
                    |__FBbt:00049825 330 rec.
                    |   |__FBbt:00047926(+) 72 rec.
                    |   |__FBbt:00049828(+) 45 rec.
                    |   |__FBbt:00049834(+) 53 rec.
                    |   |__FBbt:00100248(+) 193 rec.
                    |__FBbt:00049826 8 rec.
                    |   |__FBbt:00049827
                    |   |__FBbt:00049835
                    |__FBbt:00100247 341 rec.
                    |   |__FBbt:00049827
                    |   |__FBbt:00049828(+) 45 rec.
                    |__FBbt:00100249 111 rec.
                        |__FBbt:00049834(+) 53 rec.
                        |__FBbt:00049835
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Is a mushroom body intrinsic neuron
anterior ectoderm derivative
Develops from neuroblast MBp
Part of
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Synonyms
Secondary IDs
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CL:0000673
VFB:FBbt_00003686