1. The myofibrils of smooth muscle cells are not arranged into sarcomeres. 2. It links the myofibrils laterally by connecting the Z-disks. 3. This enables proper assembly of myofibrils and thus, more organized sarcomeres. 4. It also contains fewer myofibrils than usual myocardial cells. 5. Muscle fibers are in turn composed of myofibrils . 6. The myofibrils are long protein bundles about 1 micrometer in diameter each containing myofilaments. 7. These mutations cause myofibril and myocyte structural abnormalities and possible deficiencies in force generation. 8. This is not to be confused with myofibril hypertrophy which leads to strength gains. 9. This gene encodes a protein that is involved in the regulation of myofibril organization. 10. :A muscle's strength is dependent largely on how many myofibrils it contains.
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