Striated muscle

Question 1

Is striated voluntary or involuntary?

Answer 1

Voluntary of the skeleton (skeletal muscle)

Question 2

What type of cell junctions are present in striated muscle?

Answer 2

No cell junctions here

Question 3

Label this cell

Answer 3

A) Blood vessels

B) Perimyosin

C) Epimysium

D) Fascicle

E) Muscle fibre

F) Endomysium

G) Tendon that extends to the fascia

H) Bone

Question 4

Where is the endomysium found and what is it made of?

Answer 4

Found around muscle fibres and made of loose connective tissue. Contains capillaries and nerve fibres.

Question 5

Describe the role of Perimysium. What is it made of?

Answer 5

Surrounds the fascicles (bundles of muscle fibres). Made of fibrous connective tissue.

Question 6

Describe the role of Epimysium. What is it made of?

Answer 6

Covers the entire muscle and made of dense connective tissue.

Question 7

Does skeletal muscle have intercalated disks?

Answer 7

NO

Question 8

How can you recognise the transverse sections and longitudinal of striated muscle?

Answer 8

• The white stripes between fibres/cells are the endomysium
• Both have peripheral nuclei
• Both are multi-nucleated