Skeletal muscle system
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each of the black spaces below before clicking
on it to display the answer.
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| Membrane that connects to the deep fascia and covers the muscle | epimysium
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| Membrane that covers fasicles of muscle fibers | perimysium
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| membrane that covers individual muscle fibers | endomysium
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| How does muscle connect to bone | epi/peri/endo all come together to form tendons or aponeuresis
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| stem cells in the endomysium that help repair damaged cells | myosatillite cells
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| mesodermal cells that fuse to create muscle fibers | myoblasts
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| muscle cell membrane | sarcolemma
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| extension of the sarcolemma that allows transmission of AP to contract entire fiber | T-Tubes/Transverse Tubules
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| lengthwise subdivisions of muscle fiber, made of protein filaments (myofilaments) | Myofibrils
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| responsible for muscle contraction | myofilaments
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| type of myofilament made of actin | thin filaments
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| type of myofilament made of myosin | thick filaments
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| attaches to t-tubes to form chambers and transmit AP to myofibril | Sarcoplasmic Reticulum
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| chambers formed by SR | terminal cisternae
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| function of cisternae | concentrate ca via ion pumps and release into sarcomeres to begin contraction
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