muscle structure Flashcards

1
Q

fascicle

A
  • a bundle of skeletal muscle cells
  • they group together to form skeletal muscles

#5 on image

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2
Q

muscle fiber

A
  • an individual muscle cell within each skeletal muscle
  • compose fascicles

#7 & what surrounds #7 on image

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3
Q

myofibril

A
  • the muscle fiber is made up of protein filaments called ____
  • ____ are composed of sarcomeres
  • the organelle
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4
Q

epimysium

A
  • encircles entire muscle
  • ct layer

#3 on image

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5
Q

perimysium

A

fibrous connective tissue that surrounds groups of 10-100 individual muscle fibers called fascicles

#4 on image

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6
Q

endomysium

A

connective tissue surrounding an individual muscle fiber

#7 on image

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7
Q

fascia

A

loose connective tissue wraps around groups of muscle

#2 on image

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8
Q

myosin

A

the contractile protein that makes up the thick filaments of muscle fibers

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9
Q

actin

A

a contractile protein that is part of the thin filaments in muscle fibers

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10
Q

sarcomere

A

the functional unit of muscle that produces muscular contraction & consists of repeating sections of actin & myosin

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11
Q

tendon

A

#1 on image

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12
Q

filament

A

inside myofibril

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