A dorsal view of a reconstruction of a PLM synapse in the ventral nerve cord. The PLM synaptic branch is in blue. synaptic vesicles of PLM are in pink. Presynaptic densities (in red) are difficult to view from this angle. The major post-synaptic partners, the PDEs (brown, orange), DVA (light green), AVAs (grey, blue-grey) and AVDs (ivory and dark green) surround the synaptic vesicle-rich varicosity of the PLM neuron.