Chapter 9.8, Problem 60AYP

Summary Introduction

To analyze:

The ions that are responsible for the smooth muscle contraction and the functions of this ion.

Introduction:

The process of smooth muscle cell contraction is regulated principally by receptor and mechanical (stretch) activation of the contractile proteins myosin and actin. A change in membrane potential, brought on by the firing of action potentials or by activation of stretch-dependent ion channels in the plasma membrane, can also trigger contraction.