Figure 3
Spontaneous activity of the isolated guinea pig bladder after administration of PGE 2 and indomethacin. A. Spontaneous activity of the isolated guinea pig bladder. The arrow indicates when 1 ÎĽM of PGE2 is added. The amplitude of the contractions is significantly increased. B. Spontaneous activity of the isolated guinea pig bladder. The arrow indicates when 10 ÎĽM indomethacin is added. The amplitude of the contractions is slightly decreased by indomethacin. However, the frequency of contractions is not affected.