Question

A muscle which is spindle shaped and lacks striations are known as

• A. Smooth muscle
• B. Cardiac muscle
• C. Striated muscles
• D. None of the above

Answer 1

The correct option is A Smooth muscle

Muscle tissue is composed of cells that have a special ability to contract and relax in order for the movement to occur. The cells of this tissue are long and slender so they are also called muscle fibres.

Muscle tissue is categorised into :

• Smooth muscle tissue - spindle-shaped, single centrally located nucleus, involuntary and lack striations.
• Skeletal muscle tissue - cylindrical, multi-nucleated, voluntary and striated.
• Cardiac muscle tissue - has branching fibres, one nucleus per cell, striated and involuntary.

So, the correct option is 'Smooth muscle'.