Muscular artery

Muscular artery (also known as distributing artery) is a type of artery characterized by its muscular walls. These arteries are primarily responsible for distributing blood to the body's organs and tissues.

Etymology

The term "muscular artery" is derived from the Latin word "musculus" meaning "little mouse", referring to the muscle-like appearance of these arteries. The term "distributing artery" refers to the function of these arteries in distributing blood throughout the body.

Structure

Muscular arteries are medium-sized arteries that draw blood from an elastic artery and branch into smaller arteries known as arterioles. The walls of a muscular artery are predominantly composed of smooth muscle tissue, which allows for the regulation of blood flow through vasoconstriction and vasodilation.

Function

The primary function of muscular arteries is to distribute oxygenated blood from the heart to various organs and tissues throughout the body. They achieve this through the process of vasoconstriction and vasodilation, which regulate the volume of blood that flows through them.

Clinical significance

Abnormalities or diseases of the muscular arteries can lead to serious health conditions. For example, atherosclerosis can cause the walls of the arteries to thicken and lose elasticity, leading to reduced blood flow and potentially resulting in a heart attack or stroke.

See also

• Artery
• Elastic artery
• Arteriole
• Vasoconstriction
• Vasodilation
• Atherosclerosis

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