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CELL TYPE LINEAGE LOCATION NEUROTRANSMITTER ASSOCIATED GLIA

AVDL
AVDR

Interneuron AB alaaapalr
AB alaaapprl
Lateral ganglia of head

Not known

None
DESCRIPTION

One of four bilaterally symmetric interneuron pairs (AVA, AVB, AVD, and PVC) with large-diameter axons that run the entire length of the ventral nerve cord and provide input to the ventral cord motor neurons.Synapse onto A-type (VA, DA) and AS motor neurons. Formerly called delta .

Functions: Command interneuron. Functions as touch modulator for backward locomotion induced by head-touch. Drives backward movement of the animal along with driver cell AVA neuron, AVE and A-type motor neurons. See Locomotory circuit.

Receptor expression: Express glutamate receptor subunits, GLR-1 , GLR-2, GLR-5, NMR-1 and NMR-2 (Maricq A. V. et al 1995)(Brockie P.J. et al 2001). Express UNC-8, a DEG/ENaC family member homologous to subunits of a candidate mechanically gated ion channel (Tavernarakis N. et al, 1997).









See cfi-1-GFP expression in AVD here (Shaham and Bargmann, 2002)