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Fig. 4. PRXamide-like immunoreactivity (PRXa-LI) in fifth-instar R.
prolixus. (A) Frontal ganglion (FG) with numerous immunoreactive cell
bodies; (B) immunoreactive neurohaemal sites on the second (ABN2), third
(ABN3) and fourth (ABN4) abdominal nerves. In B, note that abdominal nerves
two and three contain more elaborate immunoreactive neurohaemal sites. Scale
bar, 100 µm.