Z331 Fall 2010 Ecampus Week 5 Muscle Overview Microanatomy I Posted

Z331 Fall 2010 Ecampus Week 5 Muscle Overview Microanatomy I Posted

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Week 5: Lecture 1: Chapter 10 –   Muscular  Tissue: Muscle Structure-Function Overview:  Microanatomy I
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Muscles have 3 layers of CT:  Epimysium, Perimysium, Endomysium Epimysium: Exterior collagen layer Connected to deep fascia Separates muscle from  surrounding tissues Perimysium Surrounds muscle fiber bundles  (fascicles) Contains blood vessel and  nerve supply to fascicles Endomysium Surrounds individual muscle  cells (muscle fibers) Contains capillaries and nerve  fibers Contains satellite cells Figure 10.1, 304
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Muscle Attachments Endomysium,  perimysium, and  epimysium come  together to form  tendon (bundle) or  aponeurosis  (sheet) Saladin 10.1, 4 th  ed
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Typical Cell Fig 3-1, 62
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 Sarco = flesh Myo = muscle Sarcolemma =  flesh husk =  cell membrane  of muscle cells Sarcoplasm =  muscle cell  cytoplasm Sarcoplasmic 
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Z331 Fall 2010 Ecampus Week 5 Muscle Overview Microanatomy I Posted

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