FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term adult metathoracic histaminergic neuron ID (Ontology) FBbt:00052359 (Fly Anatomy)
Definition Adult histaminergic neuron with its cell body in the metathoracic neuromere (Nassel et al., 1990). There are one or two of these cells on each side and their somas are located ventrally and posteriorly, near the border with the abdominal neuromere (Nassel et al., 1990; Cheong et al., 2024). It has an axon that runs dorsally and anteriorly, entering the cervical connective (Nassel et al., 1990; Cheong et al., 2024). Its arbors are mainly found in the contralateral central nervous system (Cheong et al., 2024). Its input is mainly from the intermediate tectulum of the meso- and meta-thoracic neuromeres and it outputs to all three contralateral leg neuropils, the dorsal gnathal ganglion and the antennal mechanosensory and motor center (Cheong et al., 2024).[ FlyBase:FBrf0052427 FlyBase:FBrf0258993 ]
Also Known As "AN27X004" ; "MtAHN"
Comment Nassel et al. (1990) say two of these on each side, but Cheong et al. (2023) only find one per side (both by IHC).
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VFB:FBbt_00052359
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thoracic neuron
 |__metathoracic neuron___________________
adult ascending neuron                    |
 |__adult ascending histaminergic neuron__|
adult histaminergic neuron                |
 |__adult ascending histaminergic neuron__|
adult CNS neuron                          |
 |__adult VNC neuron______________________|
                                          adult metathoracic histaminergic neuron
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Is a metathoracic neuron
adult ascending histaminergic neuron
adult VNC neuron
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VFB:FBbt_00052359