FB2026_03 , released September 17, 2026
CV Term Report
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Term adult dorsal posterior Ilp7 (male) neuron ID (Ontology) FBbt:00111305 (Fly Anatomy)
Definition Male version of the adult dorsal posterior Ilp7 neuron, which expresses the male isoform of fruitless (Castellanos et al., 2013). It is a serotonergic neuron that innervates the seminal vesicle (Castellanos et al., 2013). There are 4 of these neurons per organism, which are a subset of the serotonergic abdominal giant neurons (Castellanos et al., 2013). Unlike the female version, this cell is not a motor neuron and expression of postsynaptic glutamate receptors is much lower (Castellanos et al., 2013).[ FlyBase:FBrf0222499 ]
Also Known As"adult male Ilp7 posterior abdominal ganglion neuron"
CommentThey also express fruitless (FBgn0004652) but not doublesex (FBgn0000504). The expression of Bruchpilot was used to reveal presynaptic terminals (Castellanos et al., 2013). May be equivalent to or overlap with serotonergic abdominal giant (male) neuron 1 - FBbt:00048428 - https://orcid.org/0000-0002-1373-1705.
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VFB:FBbt_00111305
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 adult dorsal posterior Ilp7 (male) neuron (all annotations which use CV term, excluding "NOT" statements)
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fruitless expressing neuron
 |__adult dorsal posterior Ilp7 neuron__________
 |__serotonergic abdominal giant (male) neuron__|
secondary neuron                                |
 |__adult dorsal posterior Ilp7 neuron__________|
adult posterior Ilp7 neuron                     |
 |__adult dorsal posterior Ilp7 neuron__________|
male-specific neuron                            |
 |__serotonergic abdominal giant (male) neuron__|
adult serotonergic neuron                       |
 |__serotonergic abdominal giant (male) neuron__|
sexually-dimorphic neuron                       |
 |__adult dorsal posterior Ilp7 neuron__________|
adult posterior abdominal ganglion neuron       |
 |__adult dorsal posterior Ilp7 neuron__________|
 |__serotonergic abdominal giant (male) neuron__|
                                                adult dorsal posterior Ilp7 (male) neuron  3 rec.
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Is a adult dorsal posterior Ilp7 neuron
serotonergic abdominal giant (male) neuron
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  • "adult male Ilp7 posterior abdominal ganglion neuron" EXACT
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VFB:FBbt_00111305