The Different Parts Of A Muscle Flashcards

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1
Q

Describe a tendon

A

A tendon connects muscle to bone

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2
Q

Describe the epimysium

A
  • a layer of connective tissue surrounding the whole muscle

- also known as the ‘fascia’

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3
Q

Describe the bundle of fibres

A

In each muscle, fibres are separated into bundles known as ‘fascicles’

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4
Q

Describe the perimysium

A

A layer of connective tissue surrounding each bundle of fibres

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5
Q

Describe the fibre in a muscle

A

Each fibre contains many myofibrils and is surrounded by the sarcolemma and endomysium

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6
Q

Describe the myofibrils

A
  • contain the myofilaments actin and myosin
  • lengthwise, each myofibril is divided into sarcomeres
  • these sarcomeres give the muscle the striped or striated appearance
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7
Q

Describe the sarcomeres

A
  • the contractile unit of the muscle

- each contains actin and myosin filaments that overlap in a strictly arranged pattern

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8
Q

Describe the myosin and actin filaments

A
  • myosin filaments are thick and have many small projections called cross bridges that connect to he actin filaments
  • actin filaments are thin and overlap the myosin filaments
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9
Q

List the different sections of a muscle

A
  • tendon
  • epimysium
  • bundle of fibres
  • perimysium
  • fibre
  • myofybril
  • sarcomeres (containing in actin and myosin filaments)
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