rigor mortis
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7 Terms
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rigor mortis
temporary rigidity of muscles occurring after death
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actin
a contractile protein that is part of the thin filaments in muscle fibers
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myosin
the contractile protein that makes up the thick filaments of muscle fibers
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sarcomere
the smallest unit of a muscle
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sliding filament theory
the theory that filaments slide relative to one another during striated muscle contraction to decrease sarcomere length
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troponin
the spot where calcium ions bond to tropomyosin and push it, allowing myosin to attach to the actin
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tropomyosin
a protein of muscle that acts as a string, blocking entrance of myosin into the actin