File:Skeletal muscle structure.jpg

From Embryology

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Diagram of a striated muscle (a) Group of muscle fibers make up a fascicle (b) A muscle fiber is made of thousands of myofibrils (c) Myofibrils contain dark (A) and light (I) bands and Z bands where actin originates from and moves towards the A band. (d) Myofibrils are made of repeating units known as sarcomeres. Sarcomeres contains thin actin filaments and thick myosin filaments.

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References

  1. <pubmed>PMC3963759</pubmed>

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current23:22, 22 October 2014Thumbnail for version as of 23:22, 22 October 2014754 × 535 (99 KB)Z3418989 (talk | contribs)Diagram of a striated muscle (a) Group of muscle fibers make up a fascicle (b) A muscle fiber is made of thousands of myofibrils (c) Myofibrils contain dark (A) and light (I) bands and Z bands where actin originates from and moves towards the A band....

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