Anatomy Muscles Quiz

16 terms by baldo140

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Perimysium

connective tissue surrounding a fasicle

Epimysium

Connective tissue ensheathing the entire muscle

Sarcomere

contractile unit of muscle

Fiber

a muscle cell

Endomysium

thin connective tissue investing each muscle cells

Sarcolemma

plasma membrane of the muscle cell

Myofibril

a long, filamentous organelle found within muscle cells that has a banded appearance

Myofilament

actin- or myosin-containing structure

Tendon

cordlike extension of connective tissue beyond the muscle, serving to attach it to the bone

Fascicle

a discrete bundle of muscle cells

Tetanus

a continuous contraction that shows no evidence of relaxation

Isotonic Contraction

a contraction in which the muscle shortens and work is done

Many Moter Units

stimulated at a rapid rate to accomplish a strong contraction

Few Moter Units

stimulated at a rapid rate when a weak but smooth muscle contraction is desired

Fatigue

when a muscle is being stimulated but is not able to respond due to "oxygen debt"

Isometric contraction

a contraction in which the muscle does not shorten but tension in the muscle keeps increasing

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