The continuation of the sarcolemma that penetrates the interior of the muscle fiber and thereby facilitates the release of calcium from the sarcoplasmic reticulum is called what?

Question

Quizplus · Accepted Answer

The transverse tubule (T-tubule) is an extension of the sarcolemma that penetrates into the muscle cell, reaching the sarcoplasmic reticulum, and plays a crucial role in the mechanism of muscle contraction by facilitating the release of calcium ions.

The Continuation of the Sarcolemma That Penetrates the Interior of the Muscle