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Level 8

Muscle tissue


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myosin
the THICK protein filament that allows muscles to contract
actin
the THIN protein filament that allows muscles to contract
sliding filament theory
the theory that myosin filaments walks on actin filaments to produce contraction
myofibril
one of many bundles of myofilaments found in a muscle fiber
sarcomere
One of the segments into which a myofibril of striated muscle is divided.
fascicle
a small bundle of fibers
myocyte
a muscle cell or muscle fiber
epimysium
fibrous elastic tissue surrounding a muscle
endomysium
a layer of connective tissue that covers each muscle CELL
perimysium
a layer of connective tissue that covers each muscle FASCICLE
SR
sarcoplasmic reticulum - acts as a calcium pump surrounding the muscle cells
tendon
soft but tough tissue by which muscle attaches to bone