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Figure 4


Fig. 4. Three subtypes of trichoid sensilla (A-C) characterized by their responses to Z9-, E11- and Z11-14:OAc. Values showing number of spikes per 0.5 s (means + s.e.m.) of receptor neurons with large and medium spike amplitudes. (A) Responses of large and medium spiking neurons housed within sensillum subtype A, B and C to Z9-, E11- and Z11-14:OAc (Z9, E11 and Z11) at a stimulus loading of 10 µg (N=47). *, significant difference among responses to E12-, Z12- and Z9-14:OAc as tested by Friedman test (P<0.05); ns, not significant. (B) Dose-response curves of large and medium spiking neurons housed in medially situated sensilla (subtype A) and of medium spiking neurons in laterally situated sensilla (subtype C) stimulated by E11-14:OAc, Z11-14:OAc and Z9-14:OAc, respectively (Z9 large, Z9 medium, E11 large, E11 medium, Z11 large and Z11 medium). The stimulus was loaded at 100 ng, 1 µg, 10 µg and 100 µg. Values showing spike frequencies per 0.5 s (means + s.e.m.). No dose-response curve data were obtained for subtype B.





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