Muscles Flashcards

1
Q

scientific study of muscle

A

myology

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2
Q

muscle that a person can control

A

voluntary muscle

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3
Q

sometimes called muscle fibers

A

myocytes

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4
Q

inhibits actin myosin interaction

A

troponin

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5
Q

is an aquatic invertebrate animal of a phylum

A

coelenterate

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6
Q

types of muscle tissues

A

smooth, skeletal and cardiac

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7
Q

nonstriated and involuntary

A

smooth muscle

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8
Q

stiated and voluntary

A

skeletal muscle

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9
Q

striated and involuntary

A

cardiac muscle

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10
Q

united forces generated by all the cells

A

skeletal muscle tissue

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11
Q

it maintains the intracellular millieu

A

sarcolemma

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12
Q

constitutes the main intracellular calcium store

A

sarcoplastic reticulum

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13
Q

the basic contractile unit of a myocyte

A

sarcomere

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14
Q

densely packed throughout muscle cells, to provide a constant flow of ATP

A

mitochondria

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15
Q

invaginations of the plasma membrane

A

transverse tubules

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16
Q

discrete regions within the muscle cell, they store calcium

A

terminal cisternae

17
Q

structure formed by a T tubule

A

triad

18
Q

boundary between sarcomeres

A

z discs

19
Q

overlap of thick and thin filaments

A

anistropic band

20
Q

thin filaments only

A

isotropic band

21
Q

bisects each I band

A

z line

22
Q

proteins anchor the adjacent thick filaments

A

m line

23
Q

thick filaments only

A

h zone

24
Q

muscle contraction occurs when the myosin and actin filaments slide across each other

A

sliding filament theory of contraction

25
Q

operates independently

A

multi unit smooth muscle

26
Q

also called syncytial and visceral smooth muscles / operates together as a single unit

A

unitary smooth muscle

27
Q

controls accomodation by altering the shape of lens

A

ciliary muscle

28
Q

forms the thick myocardium of the heart wall

A

cardiac muscle tissues

29
Q

interconnect cardiac muscle cells

A

intercalated discs

30
Q

anchors actin filament

A

vertical plane

31
Q

contains gap junctions

A

horizontal plane

32
Q

a thick strand of tissue/attaches muscle to bone

A

tendon