microscopic A&P of skeletal muscles exercise 12

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Muscles and make up

Last updated 10:15 AM on 3/21/23
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26 Terms

1
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Skeletal muscle
What muscle am I?
What muscle am I?
2
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1\.Nuclei

2\.striations

3\.Muscle fiber
Skeletal muscle
Skeletal muscle
3
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Cardiac muscle
What muscle am I ?
What muscle am I ?
4
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1\. Intercalated discs

2\. striations

3\.Glycogen
Cardiac Muscle
Cardiac Muscle
5
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Smooth muscle
what muscle am I ?
what muscle am I ?
6
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Smooth Muscle
Smooth Muscle

1. Nuclei
2. Muscle cells
7
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Skeletal Muscle
Skeletal Muscle
1\.Nucleus

2\.Muscle fiber

3\.Endomysium

4\.Striation
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Cardiac Muscle cell
Cardiac Muscle cell
1\.Desmosomes

2\.Gap Junctions

3\.Endomysium

4\.Intercalated discs

5\. Mitochondrion

6\.Sarcolemma

7\.Nucleus

8\.Cardiac muscle cell
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Cardiac Muscle
Cardiac Muscle
1\.Branched cardiac cell

2\.Intercalated disc

3\.Nuclei of cardiac cell
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Smooth Muscle
Smooth Muscle
1\.Longitudinal smooth muscle fiber

2\.Smooth muscle cell

3\.Transverse smooth muscle fiber
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Smooth Muscle
Smooth Muscle
1\.Smooth muscle fiber

2\.Central nuclei of smooth muscle fibers
12
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1\.Tendon

2\.Fascia

3\.Skeletal muscle

4\.Muscle fascicle

5\.Nerve

6\.Blood vessels

7\.Epimysium

8\.Endomysium

9\.Muscle fiber

10\.Muscle Fascicle

11\.Perimysium

12\.Muscle fiber
1\.Tendon

2\.Fascia

3\.Skeletal muscle

4\.Muscle fascicle

5\.Nerve

6\.Blood vessels

7\.Epimysium

8\.Endomysium

9\.Muscle fiber

10\.Muscle Fascicle

11\.Perimysium

12\.Muscle fiber
1\.Tendon

2\.Fascia

3\.Skeletal muscle

4\.Muscle fascicle

5\.Nerve

6\.Blood vessels

7\.Epimysium

8\.Endomysium

9\.Muscle fiber

10\.Muscle Fascicle

11\.Perimysium

12\.Muscle fiber1
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What is the highlighted area? What does it do?
What is the highlighted area? What does it do?
Tendon-attach muscle to bone thus movement
14
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What is the highlighted area?
What is the highlighted area?
Epimysium
15
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What is the highlighted area?
What is the highlighted area?
Perimysium
16
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What is the Cylinder structure?
What is the Cylinder structure?
Fascicle
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What is the web? What is the structure protruding out and what surrounds it?
What is the web? What is the structure protruding out and what surrounds it?

1. Endomysium
2. Individual muscle fiber surrounded by Sarcolemma with nuclei beneath
18
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Connective tissue & Fascicles in order
Epimysium>Perimysium>Fascicle>Endomysium>Sarcolemma
19
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Skeletal Muscle Fiber
Skeletal Muscle Fiber
1\.Muscle

2\.Fascicle

3\.Muscle fiber

4\.Nucleus

5\.Opening to T-tubules

6\.Mitochondrion

7\.Sarcoplasm

8\.Myofilaments

9\.Sarcomere

10\.Myofibrils

11\.Sarcolemma

12\.Terminal Cisternae

13\.T-tubule

14\.Triad

15\.Sarcastic Sarcastic reticulum
20
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Myofilaments (thick & thin)
Myofilaments (thick & thin)

1. Myosin molecule
2. Myosin Head
3. Tropomyosin (green)
4. G-actin (red single)
5. F- actin (red multiple)
6. Troponin (blue)
21
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Sarcomere
Sarcomere

1. Z disc
2. Thin filament
3. myosin
4. M line
5. Thick filament
6. Actin
7. Tropomyosin
8. Troponin
9. Z disc
10. H zone
22
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Components of Sarcomere
Components of Sarcomere

1. Sarcomere
2. Z disc
3. Z disc
4. Thick filament
5. Thin filament
6. m line
7. Thin filament
8. H zone
23
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parts of the neuromuscular junction
parts of the neuromuscular junction

1. skeletal muscle fiber
2. Axon of motor nerve
3. Motor end plate
24
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name the highlighted muscle, two origins, and the single intersection.
name the highlighted muscle, two origins, and the single intersection.

1. Sternocleidomastoid
2. Insertion: mastoid process of temporal bone
3. Origin: Sternum and clavicle
25
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Muscle cell
Muscle cell

1. Triad (leaf)
2. Terminal Cisterns ( both sides if middle line)
3. T-tubule (middle line)
4. Mitochondrion
5. Sarcoplasmic reticulum (web)
6. Myofibril (thick)
26
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neuromuscular junction
neuromuscular junction

1. motor nerve fibers
2. neuromuscular junction
3. muscular fibers

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