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Human Anatomy > Muscle and Muscle Tissue > Flashcards

Muscle and Muscle Tissue Flashcards

1
Q

Muscle fibers include

A

Smooth and Skeletal Muscle Cells

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2
Q

Types of Myofilaments

A

Actin - Thin Filaments

Myosin - Thick Filaments

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3
Q

Prefixes used for Muscle

A

Myo
Mys-
Sacro-

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4
Q

Multinucleate

A

Syncytium which mean come together

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5
Q

what are the types of muscles

A

Skeletal
Cardiac
Smooth

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6
Q

Skeletal Muscles

A
  • Longest cells
  • Straited
  • Multinucleate
  • Voluntary
  • Overall body mobility
  • Adaptable force
  • Rapid contraction, but tires easily
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7
Q

Cardiac

A
  • Wall of heart
  • Pumps blood
  • Striated
  • Involuntary
  • Nervous control
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8
Q

Smooth

A
  • Walls of hollow organs
  • Moves substance through internal body passageways
  • -Intestines, urine
  • NO STRATIONS
  • -Same Myofilament but arranges differently
  • Involuntary
  • Slow and sustained contractions
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9
Q

Functional Characteristics for all three types of muscle

A
  • Excitability
  • Contractility
  • Extensibility
  • Elasticity
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10
Q

Excitability

A

Responsiveness (neurotransmitter)

  • Receive and respond to stimuli
  • Anything acting on or within human body
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11
Q

Contractility

A

-Shorten Forcibly

Muscles only get shorter w/ force

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12
Q

Extensibility

A

Stretched or extended when relaxed

- Wont go back to original position

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13
Q

Elasticity

A

Recoil to resting length

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14
Q

Conductivity

A

Carry and electric portential ion-charged long a membrane

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15
Q

Muscle Functions

A

Produces movement

  • Maintains posture
  • Stabilizes joints
  • Generating heat
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16
Q

Maintains posture
Stabilizes joints
Generating heat

A

Skeletal Muscle

17
Q

Locomotion and manipulation

A

Movement

Skeletal Muscle

18
Q

Movement of blood

A

Cardiac

19
Q

Movement of substance

A

Smooth Muscle

20
Q

Connective tissue shealths

A 
Supports and reinforce
Aid in recoil
1-Endomysium
2-Perimysium
3-Epimysium
21
Q

Perimysium

A

Fascicles

around

22
Q

Endomysium

A

Inside

23
Q

Epimysium

A

Over

24
Q

Attachment

A

attach to bones or other tissue

has to cross at least one joint

25
Q

Cross joints

A

Origin

Insertion

26
Q

Origin

A

No Movement

27
Q

Insertion

A

Movement

28
Q

Sacrolemma

A
  • Plasma Membrane
  • Forms indentations
  • -(T-tubules)
29
Q

Sarcoplasm

A

Stores oxygen

–Glycogen

30
Q

Myofibrils

A

Tiny Cylinder

“Stick” of protein within the fibers Filled with myofilament

31
Q

Alignement

A

Striation

  • A band - Dark
  • I Band - Light
32
Q

Fibers

A

Stick of protein

Actin and myocin

33
Q

Sacromere

A

-smallest contractile unit in skeletal

Human Anatomy (5 decks)

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