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FHD1 > Muscular System > Flashcards

Muscular System Flashcards

1
Q

Involuntary muscles

A

Cardiac and smooth

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2
Q

Voluntary muscles

A

Skeletal

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3
Q

Sarcomere

A

Structural and functional unit of muscle (actin and myosin)

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4
Q

Sarcolemma

A

Membrane of a muscle cell

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5
Q

Sarcoplasm

A

Cytoplasm of muscle cell

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6
Q

Sarcoplasmic reticulum

A

Muscle cell endoplasmic reticulum

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7
Q

Striated muscles

A

Skeletal and cardiac

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8
Q

Non striated

A

Smooth

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9
Q

Skeletal muscle features

A

Striated, multi nucleated, organised in sarcomere

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10
Q

Different shapes of skeletal muscles

A

Flat, strap, pennate, fusiform, quadrate, circular

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11
Q

Skeletal found in

A

Limbs, trunk, jaw and eyeball

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12
Q

Skeletal muscle function

A

Locomotion, support and postural

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13
Q

Muscles have

A

Myofibrils with myofilaments and t-tubules

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14
Q

Myofilaments

A

Actin and myosin

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15
Q

Classification of muscles

A

Agonists, antagonists and synergists

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16
Q

Skeletal muscles are stimulated by

A

Motor nerves to contract

17
Q

Hypertrophy

A

Muscle fibres get bigger

18
Q

Hyperplasia

A

Muscle fibres multiply and increase in number

19
Q

Atrophy

A

Disuse of muscle

20
Q

Cardiac muscle function

A

Coordinates contractions of the heart

21
Q

Cardiac muscle features

A

Striated, organised into sarcomere a, mono/binucleated, fibres are branched and shorted than skeletal

22
Q

Specialised cardiac muscles

A

Purkinje fibres specialised for rapid contractions

23
Q

Smooth muscle features

A

No striations, single nucleus, fibres shorter than skeletal

24
Q

Smooth muscle found in

A

Bladder, stomach and intestines

25
Q

Smooth muscle specialised

A

Myoepithelial, myofibroblasts, myoid,

FHD1 (46 decks)

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