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10 Cards in this Set
- Front
- Back
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vertebrate muscles are divided into 3 general categories:
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involuntary, voluntary, and cardiac
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involuntary
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nonstriated, smooth muscles (ex: bladder)
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voluntary
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striated
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cardiac
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striated, involuntary
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contraction depends on what 2 proteins?
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actin and myosin
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actin
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thin filament
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myosin
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thick filament
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myocytes
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muscle cells
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how are myocytes unique?
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they are large (one cell can run the entire length of an entire muscle), and they are multinuclear (fusion of embryonic myoblasts)
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sarcolemma
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cell membrane of the muscle cell
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