In cardiac muscle cells,the release of Ca²⁺ through L-type Ca²⁺ channels depolarizes the sarcoplasmic reticulum and inhibits the release of any additional Ca²⁺ necessary for excitation-contraction coupling.

Question

Quizplus · Accepted Answer

The release of Ca²⁺ through L-type Ca²⁺ channels depolarizes the sarcoplasmic reticulum, triggering the release of additional Ca²⁺ necessary for excitation-contraction coupling in cardiac muscle cells.

In Cardiac Muscle Cells,the Release of Ca²⁺ Through L-Type Ca²⁺