part_of adult synganglion subesophageal region adult synganglion opisthosomal ganglion Fig. 14-2, Fig. 14-3, Fig. 14-4, Fig. 14-5, Fig. 14-9, in Biology of Ticks ISBN:0-19-505910-7. Fused ganglion containing the neuron cell bodies from which the paired opisthosomal and paraspiracular nerves originate. Located posterior and medial to the pedal ganglia. Believed to receive the axons from the Haller's organ olfactoreceptors. TADS:0000220 TADS:0000220 default_namespace