Anatomy of a Skeletal Muscle

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11 Terms

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<p><span style="background-color: transparent;"><strong><span>Tendon</span></strong></span></p>

Tendon

  • Connects skeletal muscle to bone

2
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Muscle

  • The organ (ex. Biceps brachii)

  • Made up of fascicles

3
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<p><span style="background-color: transparent;"><strong><span>Epimysium</span></strong></span></p>

Epimysium

  • Connective tissue sheath that surrounds the entire muscle

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<p><span style="background-color: transparent;"><strong><span>Fascicle</span></strong></span></p>

Fascicle

  • A bundle of muscle fibers

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<p><span style="background-color: transparent;"><strong><span>Perimysium</span></strong></span></p>

Perimysium

  • Connective tissue sheath that surrounds each fascicle

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<p><span style="background-color: transparent;"><strong><span>Muscle Fiber</span></strong></span></p>

Muscle Fiber

  • A muscle cell

  • Made of many myofibrils

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<p><span style="background-color: transparent;"><strong><span>Endomysium</span></strong></span></p>

Endomysium

  • Connective tissue sheath that surrounds each muscle fiber

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<p><span style="background-color: transparent;"><strong><span>Sarcolemma</span></strong></span></p>

Sarcolemma

  • Plasma membrane around each muscle fiber

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<p><span style="background-color: transparent;"><strong><span>Myofibril</span></strong></span></p>

Myofibril

  • Long proteins that make up each muscle fiber

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Sarcomere

  • Line up to form myofibrils

  • Where contraction happens!

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Myofilaments

  • Make up sarcomeres

  • Actin (thin) & myosin (thick)