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Fig. 3. Two large salivary neurones (SN1 and SN2) in the suboesophageal ganglion
(SOG), stained by metal backfilling of one salivary duct nerve (SDN), viewed
dorsally (A) and laterally (B). Areas surrounded by broken lines are
mandibular (MD), maxillary (MX) and labial (LB) neuromeres, respectively. CC,
cervical connective; COC, circumoesophageal connective. (C) An SDN at the
surface of a salivary duct (SD), filled with metal. The broken line indicates
the outline of the SDN. Two large-diameter axons (black arrowheads) and one
small-diameter axon (white arrowhead) are visible. SG, salivary gland; A,
anterior; P, posterior; V, ventral; D, dorsal.