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7 Cards in this Set
- Front
- Back
Define Muscle Tissue |
Composed of elongated cells called muscle cells, myofibres, or muscle fibers specialized for contraction. |
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How is muscle tissue classified and what are the 2 classifications |
-Based on the appearance of contractile cells 1) Striated muscle |
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Define and list the types of striated muscle |
Striated muscles - cells exhibit cross striations at the light microscope level. Cardiac - involuntary muscle found in the walls of the heart Skeletal comprised of the voluntary muscle mass of the body |
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Define Smooth muscle |
Cells do not have cross striations |
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List and Describe the 3 muscle tissue sheaths |
Epimysium - dense connective tissue sheath covering the entire muscle Perimysium - derives from epimysium and surrounds the bundles of fascicles of muscle cells Endomysium - delicate layer of reticular fibers and extracellular matrix surrounding each muscle cell |
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What do blood vessels use the muscle sheaths for? |
To reach the interior of the muscle |
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Characteristics of Muscle fibers |
-Post mitotic multinucleated syncytium - |