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. 2014 Jul 3;307(4):G471–G478. doi: 10.1152/ajpgi.00156.2014

Fig. 1.

Fig. 1.

Acid activated esophageal jugular C fibers and inhibited their response to esophageal distension (ED; n = 8). A: time courses of the pH values in perfused Krebs bicarbonate buffer (KBS) and the relevant acidic KBS-induced action potentials (AP) in each jugular C fibers. B: averaged data of acid perfusion evoked AP in jugular C fibers. C: esophageal distension evoked AP before and after 30-min perfusion with acid. D: time course of mechanical excitability changes (evoked by ED at 30 mmHg) in jugular C fibers after acid perfusion. E: averaged data on capsaicin (Cap)-evoked AP in jugular C fibers.