Single-unit

Single-unit

Single Unit Visceral Smooth Muscle (SUVSM)

A single smooth muscle cell in a bundle is innervated by an autonomic nerve fibre [http://en.wikipedia.org/wiki/Autonomic_nervous_system] . This cell then propagates an action potential in neighbouring cells due to the presence of many gap junctions [http://en.wikipedia.org/wiki/Gap_junctions] between the concerned cells. This kind of smooth muscle unit is located in the uterine (for contraction at child-birth), also in the GI tract and the bladder.


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