Which receptors open up during the calcium-induced calcium release?

Which receptors open up during the calcium-induced calcium release? Correct Answer Ryanodine receptors

When limited amount of calcium ions enter the cell through open channels in the endoplasmic reticulum (ER) membrane, there is a subsequent opening of the ryanodine receptors, causing the influx of Ca2+ ions in the cytosol – calcium-induced calcium release.
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