A1-7 DO3 motor neuron [FBbt_00110237]
Motor neuron that develops from the neuroblast NB3-2 lineage (Landgraf et al., 1997). It innervates the internal dorsal oblique muscle 3 (DO3) of larval abdominal segments A1 to A7. Its dendritic arborization occupies the lateral domain of the ventral nerve cord neuropil. It exits the ventral nerve cord via the anterior root of the intersegmental nerve and innervates the DO3 muscle with type Ib boutons (Landgraf et al., 1997; Hoang and Chiba, 2001). These neurons (at least in A1 to A4) die during metamorphosis (Banerjee et al., 2016). Its soma is in the segment anterior to the muscle it innervates (Kohsaka et al., 2012). There is little or no published literature specifically on innervation in A1 and so where equivalent muscles are present between A1 and A2-7 (Landgraf et al., 1997; Schmid et al., 1999), we infer A1 motor neuron innervation patterns from those of A2-7.
Note
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VFB Term Json
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"short_form": "FBbt_00110237",
"label": "A1-7 DO3 motor neuron"
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"description": [
"Motor neuron that develops from the neuroblast NB3-2 lineage (Landgraf et al., 1997). It innervates the internal dorsal oblique muscle 3 (DO3) of larval abdominal segments A1 to A7. Its dendritic arborization occupies the lateral domain of the ventral nerve cord neuropil. It exits the ventral nerve cord via the anterior root of the intersegmental nerve and innervates the DO3 muscle with type Ib boutons (Landgraf et al., 1997; Hoang and Chiba, 2001). These neurons (at least in A1 to A4) die during metamorphosis (Banerjee et al., 2016). Its soma is in the segment anterior to the muscle it innervates (Kohsaka et al., 2012)."
],
"comment": [
"There is little or no published literature specifically on innervation in A1 and so where equivalent muscles are present between A1 and A2-7 (Landgraf et al., 1997; Schmid et al., 1999), we infer A1 motor neuron innervation patterns from those of A2-7."
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"label": "larval anterior intersegmental nerve root of A1-7"
}
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]
}
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