Structure of a Typical Muscle

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Structure of a Typical Muscle
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3
2
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Muscle Microanatomy
Sarcolemma (Muscle cell membrane)
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Myofibril (bundle of muscle proteins)
2
Nucleus
Light band
Dark band
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3
4
Z-line
Z-line
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Thin actin protein filament
Thick myosin protein filament
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Sarcomere
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