UL1.H1.3D1 Smooth Muscle

Smooth Muscle:

  • Identify the large blood vessel (artery) in the centre of the micrograph
  • The wall of the blood vessel is composed of circularly oriented smooth muscle cells
Smooth Muscle Cells

Smooth muscle cells

What would happen to the internal diameter of this blood vessel when the muscle cells contract?
How will this affect the flow of blood to the surrounding tissues?
What type of muscle cells are present around the periphery of this micrograph?