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. 2013 Jul 19;13(7):9344–9363. doi: 10.3390/s130709344

Figure 7.

Figure 7.

(A and B) Spatial relationship between a PPL-D-1 (magenta) and Johnston's organ (JO) afferents (green) (A, frontal view; B, lateral view). The soma of the PPL-D-1 is located in the ventral median region of the SEG. PPL-D-1 overlaps with the terminal branches of the JO in the medial PPL. The PPL-D-1 has dense and broad arborizations in ipsilateral PPL and sparse and fine arborizations with presynaptic terminals in the contralateral PPL and dorsal SEG. (C) On the first vibration stimulation, the PPL-D-1 does not respond to vibration applied to the antenna. The second vibration stimulus during olfactory stimulation (citral) applied to the contralateral antenna causes a long-lasting excitation. Modified from Ai et al. [43].