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#muscle contraction #actin-myosin #sarcomere #thin filament #muscle protein #cytoskeleton

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#muscle contraction #thin filament #myosin #sarcomere #f-actin

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#actin protein #muscle contraction #cytoskeleton #microfilament #thin filament

Z➖🧲➖Z

#sarcomere #z-disc #z-line #actin #myosin #thin filament #thick filament #muscle structure #contractile unit