記憶度
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1
covers each muscle fiber
endomysium
2
covers a bundle of muscle fibers
perimysium
3
covers the entire muscle tissue
epimysium
4
tough collagenic fibers providing durability
tendon
5
2 layers of smooth muscle
circular longitudinal
6
branching muscle fibers are joined by ?
intercalated disc
7
long ribbon like organelles
myofibril
8
plasma membrane of the muscle cell
sarcolemma
9
muscle properties
irritability contractility extensibility
10
the term for a bundle of muscle fibers
fascicle
11
prefix for muscle
myo
12
these muscles are elongated and are called muscle fibers
skeletal smooth
13
these are found in the hollow visceral organs
smooth muscle
14
This is found in the heart wall
cardiac muscle
15
these are responsible for the stripes in muscle fibers
dark a bond light i bond
16
This the interruption between the i bond
z disc
17
Central lighter are of the a bond
h zone
18
This is the midline of a band, holds the thick myosin filament together
m line
19
This is made of bundled proteins, containing atps, extend the a band and is a thick microfilament
myosin
20
Projection of myosin that links the myosin and actin
myosin head
21
This is the thin filament that allows the binding of myosin heads, anchored to the z disc
actin
22
This is a specialized smooth er that holds calcium
sarcoplasmic reticulum
23
this allows the muscle to receive and respond to a stimulus
irritability
24
this allows the muscle to shorten when stimulated
contractility
25
this allows the muscle to stretch and recoil
extensibility
26
what stimulates a muscle
nerve impulse
27
a muscle that isnstimulated is called a ?
motor unit
28
long thread of extension, branches to terminals at neuromuscular junctions
axon
29
this is filled with interstitial fluid and is the gap between junctions
synaptic clef
30
This has vesicles filled with acetylcholine as neurotransmitters
neuromuscular junction
31
These are chemicals that are neurotransmitters
acetylcholine
32
These generate tension by attaching and detaching to pull actin towards the center
cross bridge
33
this law states that the muscle will never contract partially
all or none
34
1st way of graded response
frequency
35
2nd way of graded response
number of cell
36
this pathway is the fastest using adp and creatine phosphate
direct phosphorylation
37
This is a high energy molecule found in muscle fibers only
creatine phosphate
38
This pathway is used when at rest, or light to moderate exercise
aerobic pathway
39
This pathway occurs ni the mitochondria
aerobic pathway
40
Series of metabolic pathway is also reffered to as
oxidative phosphorylation
41
This pathway breaks down glucose into carbon and water
aerobic pathway
42
This pathway uses glycolysis that occurs in the cytosol
anaerobic pathway
43
in the process of glycolysis, glucose is broken down into?
pyruvic acid
44
If the glycolysis cant keep up with the demand for stp, the pyruvic acid is converted to?
lactic acid
45
This is the cause of muscle soreness or cramps
lactic acid
46
The muscle is unable to contract due to an imbalance of ions, oxygen deficit, or problems in the neuromuscular junction
muscle fatigue
47
Not able to take in oxygen fast enough, burning sensation and breathing rapidly
oxygen deficit
48
This is a successful contraction
isotonic contraction
49
This contraction does not shorten the muscle, tries to slide but is pitted against an immovable object
isometric contraction
50
The muscle is relaxed, and some of the fibers are contracting, not visible, ready for contraction
muscle tone
51
attach to immovable or less movable bone
origin
52
attach to movable bone
insertion
53
major muscle movement
prime mover
54
oppose or reverse a movement, relaxes when prime mover is active
antagonists
55
helps the prime mover by reducing undesirable movement
synergists
56
these hold the bone steady or stabilize
fixator
57
this closes by contracting, found in external openings
circular
58
converge toward a single insertion, triangular
convergent
59
straplike, parallel to the long axis of muscle
parallel
60
spindle shaped and is a modification of parallel
fusiform
61
short fascicles attached obliquely to a central tendon
pennate
62
this pennate is inserted on one sied
unipennate
63
this pennate is inserted on opposite sides of the tendon
bipennate
64
this pennate is inserted on several different sides
multipennate