Figure for Ca2+ dynamics. Draw a model with arrows and #’s in
the order
“The scheme of ionic currents within a cardiac cycle for a
mammalian pacemaker cell”
The scheme of ionic currents within a cardiac cycle for a
mammalian pacemaker cell (i.e., SA node) is generally described
with the background [Ca2+]i continually increasing and decreasing.
Starting in diastolic depolarization with a slow release of Ca2+ by
ryanodine receptors (RyR), from the SR, leads to a rise in [Ca2+]i
....