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11 Cards in this Set
- Front
- Back
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Skeletal Muscle Cells |
Attach to bones, voluntary motion, somatic nervous system with more than one nuclease, striations. |
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Progression of muscle contraction |
Nerve impulse , cell, release of acetylcholine, neuromusclar junction, depolarization, release of ca, movement of proteins, reaction of myosin and actin to form cross bridges, bridges shorten and filaments slide |
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Smooth muscle cells |
Organs, hormone controlled, single nucleus, no striations, filaments but no sacomeres |
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Cardiac muscle |
In the heart, striated, intercalated discs |
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Age Skeletal |
Atrophy, no new fibers, less strength and nuclei, reduction of acetylocholine , myofibrils get replaced by connect tissue |
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Age smooth |
Diverticula(pouches in digestive), aerterial walls develop large vacuoles |
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Cardiac age |
Muscle fibers thin after 50, fat increases and fat becomes replaced with collagenous thick material |
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Parkinsons |
Years of uncontrolled contractions of skeletal muscles |
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Myasthenia Gravis |
Autoimmune disease, antibodies attack acetylocholine recepters |
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Polymyositis |
Inflammation that causes weakness of several muscles at one time |
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Polymyalgia Rheumatica |
Many pains, immobility, weight loss, common in women |
