GENERAL HISTOLOGY

MUSCLE

SMOOTH MUSCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The cells in the smooth muscle are
A
Cells with circular form
B
Cells with cylindrical form
C
With rectangular form
D
Cells in form of spindle
Explanation: 

Detailed explanation-1: -Smooth muscle cells are spindle shaped, have a single, centrally located nucleus, and lack striations. They are called involuntary muscles. Cardiac muscle has branching fibers, one nucleus per cell, striations, and intercalated disks. Its contraction is not under voluntary control.

Detailed explanation-2: -The spindle shape of the mononucleated smooth muscle cell permits a close contact among cells in the splanchnic and vascular walls.

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