T-Tubules
A system of chambers of the endoplasmic reticulum of (striated) muscle cells (sarcoplasmic reticulum), which can cause muscle contraction by myosin filaments and actin filaments by expulsion of calcium.
A system of chambers of the endoplasmic reticulum of (striated) muscle cells (sarcoplasmic reticulum), which can cause muscle contraction by myosin filaments and actin filaments by expulsion of calcium.