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22 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are the three types of muscle fiber?
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-Smooth
-Cardiac -Skeletal |
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Sarcolemma
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Plasma membrane of skeletal muscle
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Endomysium
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Covers individual muscle fibers
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Perimysium
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Bundles group of muscle fibers together (fascile)
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Sarco
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Skeletal muscle
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Myofibrils
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Runs longitudinal down cellular muscle cells
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A bands
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Overlap between thick and thin filaments
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Dark bands
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I bands
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Thin filaments only
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Light bands
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Sarcomere
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Contractile units of muscles
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Z-line
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Borders of Sarcomere
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M-line
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Connects myosin to each other
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H-zone
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Only thick filaments
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Myofilaments
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Composed of contractile protein (Actin & Myosin)
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Sarcoplasmic Reticulum
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Modified ER
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Transverse Tubules
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Carries electrical charge into cell
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Triad
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3 unit group that contains 1 T-tubules and 2 terminal cisterna
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Terminal Cisterna
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Saclike region that contains calcium ions
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Neuromuscular Junction
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Junction between the nervous and muscular system that stimulates muscle cell
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Axon Terminals
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Carries impulses to muscles
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Motor End Plate
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Allows for more exceptors to bind
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Increase surface area
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Sarcoplasm
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Cytoplasm
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Epimysium
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Surrounds entire skeletal muscle
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