Parts of
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Skeletal Muscle | Voluntary, Striated, Multinucleated | Articular Movement/Support and Posture (anti-gravitational)
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Muscle Mass | Organ Level | Tendons: attach Muscle to Bone; superficial Fascia: connective tissue; Blood Vessels and Nerves
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Muscle Fibers | Multinucleated, Striated, Uni-directional | bound by a Sarcolemma membrane and supplied with a branch of 1 motor nerve
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Myofibril | Sub-cellular | 1000/cell
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Myofilament | Molecular Level - made of Myosin: Thick protein filament; and Actin: Thin protein filaments | Sliding Filament Action: Myosin cross-bridges pull Actin over Myosin ---> shortening Sarcomere unit (contraction)
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Sarcomere | section from z-line to another | contains1 Myofilament/section of Myosin and Actin
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Z-line | anchors within the Myofilament | Stabilize the filament
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Tendon | Inelastic cord; made of Dense REGULAR connective tissue | connecting MUSCLE to BONE
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Aponeurosis | a Wide, FLAT tendon | connecting MUSCLE to MUSCLE
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Retinaculum | a Ligamentous band | holding TENDONS in place, providing a Point of LEVERAGE
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Epimysium | (Superficial Fascia) Dense, IRREGULAR connective tissue sheath | around entire Muscle Mass
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Perimysium | INTERNAL Fascia | binding parallel fibers, forming FASCICULI
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Endomysium | RETICULAR connective tissue | Between Fibers
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Created by:
kristel387
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