CHAPTER 9 MUSCLES

Figure 9.5 Relationship of the sarcoplasmic reticulum and T tubules to myofibrils of skeletal muscle. Myofibril Myofibrils Triad: Tubules of the SR Sarcolemma Sarcolemma Mitochondria I band A band I band Z disc H zone Z disc Part of a skeletal muscle fiber (cell) • T tubule • Terminal cisternae of the SR (2) M line ................
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