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A & P > Muscles histology > Flashcards

Muscles histology Flashcards

1
Q

what type of muscle tissue

A

skeletal

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2
Q

A

A

nucleus

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3
Q

B

A

skeletal MT cell

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4
Q

C

A

striations

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5
Q

D

A

endomysium

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6
Q

what type of MT

A

cardiac

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7
Q

A

A

nucelus

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8
Q

B

A

intercalated disc

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9
Q

C

A

cardiac MT cell

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10
Q

what characteristic of cardiac MT is not labled

A

striations

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11
Q

what type of MT

A

smooth

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12
Q

A

A

nucleus

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13
Q

A

A

epimysium

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14
Q

B

A

perimysium

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15
Q

C

A

fascicle

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16
Q

D

A

muscle fiber/myofiber

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17
Q

E

A

sarcolemma

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18
Q

F

A

myofilaments

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19
Q

G

A

myosin

20
Q

H

A

actin

21
Q

I

A

myofibril

22
Q

J

A

motor neuron

23
Q

L

A

blood capilary

24
Q

M

A

endomysium

25
Q

N

A

blood vessels

26
Q

O

A

deep fascia

27
Q

P

A

tendon

28
Q

which types of MT have striations

A

skeletal and cardiac

29
Q

which MT has intercalated discs

A

cardiac

30
Q

what is the difference between an indirect and direct muscle attachment

A

indirect is muscle to tendon to bone
direct is just muscle to bone

31
Q

what is the epimysium made of

A

dense irregular CT

32
Q

what is perimysium made of

A

fibrous CT

33
Q

what is endomysium made of

A

reticular CT

34
Q

what does the epimysium cover

A

the body/entire muscle tissue

35
Q

what does the perimysium cover

A

fascicle

36
Q

what does the endomysium cover

A

the muscle fiber, superficial to the sarcolemma

37
Q

what is the sarcolemma

A

muscle cell membrane

38
Q

what are aponeuroses

A

fibrous extension of the epimysium resembling a sheet of connective tissue rather than a rope-like extension (sheet tendon)

39
Q

what is an agonist

A

whole muscle providing the most force; prime mover

40
Q

what is an antagonist

A

whole muscle providing the opposite movement of agonist

41
Q

what is a synergist

A

whole muscles helping an agonist with movement

42
Q

what is a fixator

A

whole muscle helps keep skeleton in place when performing movements; keep bone in place to avoid disarticulations

43
Q

what is the origin of a muscle (o)

A

where muscle originates; more axial or fixed point of attachment

44
Q

what is the insertion of a muscle (i)

A

where muscle inserts; more appendicular or moveable point of attachment

45
Q

what is the action of a muscle (a)

A

joint movements; muscle action pulls insertion toward the origin
-muscle can only pull not push

46
Q

what are the criteria used to name muscles

A

size
orientation of fibers
action
number of attachments
points of attachment
location

A & P (23 decks)

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