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(multinucleated), One single muscle tissue cell. Has its own components that make a cell.
transverse tubule system
(T tubules), ...is continuous with the sarcolemma - invaginates perpendicular to sarcomlemma
enlarged areas of the sarcoplasmic reticulum surrounding the transverse tubules, which store calcium for release at the start of muscle contraction
complex of three units in a muscle fiber made of T tubules and sarcoplasmic reticulum terminal cisterns on both sides of it
The regulatory protein blocking myosin-biding sites on the thin filament while a muscle is at rest
sliding filament theory
theory that actin filaments slide toward each other during muscle contraction, while the myosin filaments are still
(no muscle length changes), "same measurement"; tension in the muscles increases; the muscle is unable to shorten; EX: pushing against a wall
Rings that provide a strong connection between cardiac muscle cells, to prevent tears and leaks in the heart.
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