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Cards In This Set
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Universal characteristics of muscle
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Responsiveness, conductivity, contractility, Extensibility, Elasticity
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Voluntary striated muscle that is usually attached to one or more bones (exhibits alternating light and dark transverse bands)
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Skeletal muscle
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Striations
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Alternating light and dark transverse bands
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No
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Can voluntary muscle ever be attached to bones?
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Muscle fibers are also called
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Myofibers
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Connective tissue that bundles muscle fibers into fascicles
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Perimysium
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Epimysium and endomysium
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Epimysium is the connective tissue that surrounds the entire muscle
endomesium is the connective tissue that surrounds each muscle fib |
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The plasma membrane of a muscle fiber
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Sarcolema
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Sarcoplasm
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The cytoplasm of a muscle fiber or muscle cell
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1 um long protein bundles which occupy the sarcoplasm or the cytoplasm
of the muscle cell or muscle fiber. Not to be confused with myofibers
(the muscle cells themselves)
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Myofibrils
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Glycogen
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A starch-like carbohydrate that provides energy to the cell during heightened levels of exercise
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Stores oxygen until needed for muscular activity
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Myoglobin
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Myoblast
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Stem cells which fuse together to produce each muscle fiber, with each myoblast contributing a nucleus to the mature fiber.
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the smooth endoplasmic reticulum which forms a network around each myofibril |
Sarcoplasmic reticulum
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Terminal cisternae
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Dilated end sacs which cross the muscle fiber from one side to the other
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