Figure 4.
Urethane anaesthetized female rat: traces from the same rat showing (a) the effect of i.t. administration of saline (vehicle) followed by (b) SB-269970 and then (c) WAY-100635 on the time taken to evoke a distension-induced contraction of the bladder by infusing saline (0.1 ml min−1) into the bladder. The saline infusion began at the beginning of the traces.