Members: PVDL, PVDR.
PVD is a set of two interneurons with cell bodies situated laterally in the posterior body.
Anteriorly and posteriorly directed processes leave the cell bodies and run alongside the
excretory canal in close association with the processes of ALA and
CAN. These three processes
have not been completely reconstructed in the posterior body, although they have been
sampled in several places. Two of the processes end at about the level of the anus; a third enters
the lumbar ganglia and synapses onto PVC (ALA-d). A single synapse on the lateral
hypodermis has also been seen on one of the processes (CAN-c). PVD neurons send out a third,
ventrally directed process, which enters the ventral cord as a commissure. This process runs
anteriorly in the ventral part of the cord and has several dyadic synapses to AVA and PVC
(a). There are also a few synapses to DVA (b).
Magnifications: (a, b) x 25500.
PVD ventral cord synapses
||synapses to and corecipients
||22 PVC, 4AVA, PVD
||2, 22 AVA, 2 PVC, DVA, HDC
Web adaptation, Thomas Boulin,
for Wormatlas, 2001, 2002