Aa and b
, representative ST maps showing the effect of 1 μm TTA‐A2 on Ca2+ transient firing in USMCs. Ba–d, summary data showing the effect of 1 μm TTA‐A2 on USMC Ca2+ transient frequency (a), amplitude (b), duration (c) and spatial spread (d) (c = 16, n = 5). Ca and b, representative ST maps showing the effect of 1 μm NNC‐550396 on Ca2+ transient firing in USMCs. Da–d, summary data showing the effect of 1 μm NNC‐550396 on USMC Ca2+ transient frequency (a), amplitude (b), duration (c) and spatial spread (d) (c = 13, n = 4). ns, not significant, *
p < 0.05.