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Fig. 2. Typical responses obtained by tip recordings from gustatory receptor
neurons in s. chaetica on the flagellum of the H. virescens antennae.
Stimulation and recording starts simultaneously when the electrode is applied
and ends when the electrode is removed, meaning that only the stimulation
period is shown. (A) Responses to 1 mmol l1 quinine, 1 mmol
l1 sinigrin, 100 mmol l1 sinigrin, and the
electrolyte 10 mmol l1 KCl in the same s. chaeticum. (B)
Responses to 1 mmol l1 quinine in four different s.
chaetica. (C) Responses to 100 mmol l1 sinigrin in four
other sensilla.