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20 Cards in this Set
- Front
- Back
Dilations at the end of telodendria that contain synaptic vesicles
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Synaptic endballs
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The neurotransmitter released at the neuromuscular Junction
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Acetylcholine
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The muscle cell membrane
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Sarcolemma
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The cytoplasm of a muscle cell
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sacroplasm
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The protein within the sarcoplasm that gives a muscle its red appearance
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myoglobin
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The contractile protein that forms most of the thin filaments
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actin
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The contractile protein that forms the thick filaments
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myosin
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The protein strand that wraps around the actin filaments
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tropomyosin
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The third most abundant protein in skeletal muscle
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titin
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The large inelastic protein that is attached to the Z disc and lies along side the thin filament
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nebalin
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The cytoskeleton protein that links the thin filaments to integral proteins in the sarcolemma
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Dystrophin
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Calcium ions bind to this site when they enter the sarcoplasm.
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Troponin C Site
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The A or anisotropic bands are composed mostly of
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Myosin
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The I or isotropic bands are composed only of
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Actin
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The zone is the center of the A band
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H Zone
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The line in the middle of the H zone
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M Line
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The shortest contractile segment of a myofibril is the
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Sacrometer
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The extension of the sarcolemma that are a right angles to the myofilaments
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transverse Tubule ot T-tubule
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The sarcoplasmic reticulum stores and releases
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Calcium
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When a muscle is relaxed ATP binds to the
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myosin head
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