arteriole

A minute artery with a tunica media comprising only 1 or 2 layers of smooth muscle cells. It is a terminal artery continuous with the capillary network.

Specific

afferent glomerular arteriole (vas afferens) efferent glomerular arteriole (vas efferens) inferior macular arteriole superior macular arteriole vasa recta (straight artery)

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999