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Simulated Ca2+ spark. (A) Linescan of Ca2+ spark, (B) Linescan of Ca2+ sparks during an action potential, (C) Spatial profile at different times after peak (bk=black at 0 ms, r = red at 2 ms, g = green at 6 ms, bl = blue at 10 ms and br = brown at 20 ms).
