Anatomy of Muscle Tissue

Anatomy of Muscle Tissue - : Anatomy of Muscle Tissue I....

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: Anatomy of Muscle Tissue I. Anatomy of Skeletal Muscle A. General Features of Cells 1. multinucleate 2. striations caused by intracellular structure B. Fascia - fibrous connective tissue surrounding muscle 1. superficial - just below the skin a. fat storage area b. insulation and protection c. nerve and vessel passage 2. deep - lines body wall, binds muscles together 3. epimysium - encapsulates a single muscle 4. perimysium - around muscle fiber bundles (fasciculi) 5. endomysium - around each individual muscle fiber 6. tendon - continuation of connective tissue to bone 7. tendon sheath - synovium of a tendon (lubricated) 8. aponeurosis - broad, sheet-like connective tissue C. Nerve and Blood Supply 2. capillaries are within each endomysium D. Anatomy of a Muscle Fiber (Myofiber) 1. 10-100 um diameter; up to 30 cm long 2. sarcolemma - plasma membrane of muscle cell (fiber) 3. sarcoplasm - cytoplasm of muscle cell 4. sarcoplasmic reticulum - SER with Calcium ions
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Anatomy of Muscle Tissue - : Anatomy of Muscle Tissue I....

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