Tag: Nociceptive_system

abdominal anterior ventral multidendritic neuron vdaa [FBbt_00002517]

Larval class IV multidendritic neuron with its soma located relatively anteriorly in the dorsal (v’) part of a ventral sensory cluster of an abdominal segment (Grueber et al., 2002; Orgogozo and Grueber, 2005). Its dendrites cover a lateral region of the body wall of its segment and do not overlap with the dendrites of the dorsal (ddaC) or ventral (vdaB) neurons (Grueber et al., 2002). It develops from a common precursor with the abdominal v’esB neuron (Brewster and Bodmer, 1995; Veling et al., 2019). Its axon terminals are initially found in the ventral nociceptive neuropil, alongside vdaB (Li et al., 2019). In the early second instar, these terminals separate, leaving vdaa in an intermediate position between ddaC and vdaB (Li et al., 2019). It is remodeled into the adult vdaa neuron during metamorphosis (Shimono et al., 2009).

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larval dorsal multidendritic neuron ddaC [FBbt_00002027]

Larval class IV multidendritic neuron whose cell body is located fairly centrally among the dendritic arborizing neurons of the dorsal sensory cluster (Grueber et al., 2002; Orgogozo and Grueber, 2005). Its dendrites cover a dorsal region of the body wall of its segment and do not overlap with the dendrites of the anterior ventral (vdaa) neuron (Grueber et al., 2002). Its axon terminals are found in a dorsal region of the nociceptive neuropil (Li et al., 2019).

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larval multidendritic class IV neuron [FBbt_00007275]

Larval dendritic arborizing neuron with a highly complex branching pattern that completely fills large regions of the body wall with its arbors (Grueber et al., 2002). Each cell may have 800-900 terminal branches and more than 6 branch orders (Grueber et al., 2002). The three subtypes innervate different regions of the body wall (Grueber et al., 2002) and the nociceptive neuropil of the ventral nerve cord (Li et al., 2019). They are nociceptive neurons and some can respond to noxious mechanical and/or heat stimuli (Hwang et al., 2007; Robertson et al., 2013).

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larval ventral multidendritic neuron vdaB [FBbt_00002056]

Larval class IV multidendritic neuron with its soma in the ventral vdaA-D cluster, usually posterior to vdaA and anterior to vdaC and vdaD (Grueber et al., 2003; Orgogozo and Grueber, 2005; Veling et al., 2019). Its dendrites cover a ventral region of the body wall of its segment and do not overlap with the dendrites of the anterior ventral (vdaa) neuron (Grueber et al., 2002). Its axon fasciculates with the segmental nerve (Campos-Ortega and Hartenstein, 1997). Its axon terminals are found in a ventral region of the nociceptive neuropil (Li et al., 2019).

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