larval VT1 motor neuron [FBbt_00110279]

Larval motor neuron of the NB4-1 lineage that innervates the external ventral transverse muscle 1 (VT1), which is only found in A2 and more posterior segments (Landgraf et al., 1997; Zarin et al., 2019). It migrates medially and posteriorly during embryonic development (Schmid et al., 1999). Its dendritic domain is located posterior to the dendritic domain of the ISN motor neurons (Landgraf et al., 2003). It follows the transverse nerve and synapses to the VT1 muscle in the anterior part of the of the next posterior segment via type Ib boutons (Landgraf et al., 1997; Zarin et al., 2019).
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larval VT1 motor neuron larval VT1 motor neuron

larval VT1 motor neuron

ID: FBbt_00110279

Larva Motor neuron lineage 14 NB4-1 primary neuron

Larval motor neuron of the NB4-1 lineage that innervates the external ventral transverse muscle 1 (VT1), which is only found in A2 and more posterior segments (Landgraf et al., 1997; Zarin et al., 2019). It migrates medially and posteriorly during embryonic development (Schmid et al., 1999). Its dendritic domain is located posterior to the dendritic domain of the ISN motor neurons (Landgraf et al., 2003). It follows the transverse nerve and synapses to the VT1 muscle in the anterior part of the of the next posterior segment via type Ib boutons (Landgraf et al., 1997; Zarin et al., 2019).

VT1 muscle in not found in segments anterior to A2, unclear if it is present in A8.

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## Classification

Relationships

Alternative Names

Synonym Scope Reference
transverse nerve MN broad synonym Zarin et al., 2019
TN motoneuron broad synonym Schmid et al., 1999
MN25-Ib exact synonym Zarin et al., 2019
MN-VT1 exact synonym Landgraf et al., 1997
SM exact synonym Schmid et al., 1999
A2-7 VT1 motor neuron narrow synonym