Blood capillaries are categorized into three types: continuous, fenestrated, and sinusoidal (also known as discontinuous).

Oct 19, 2025 · Learn what capillaries are, and their structure and function in the lungs and tissues. Also learn about capillary microcirculation and fluid exchange.

What are capillaries? Capillaries are delicate blood vessels (tubes that hold blood) throughout your body. They bring nutrients and oxygen to cells in your organs and body systems. In …

Aug 3, 2023 · Capillaries are incredibly small and finer blood vessels connecting the arterioles with the venules. They are the smallest blood vessels in our body. Though it seems to be the …

Jul 24, 2023 · Learn the structure of capillaries, including their types (continuous, fenestrated, and sinusoidal) and function. Learn this topic now at Kenhub!

Capillaries surround body cells and tissues to deliver and absorb oxygen, nutrients, and other substances. The capillaries also connect the branches of arteries and to the branches of veins.

Capillaries are the smallest blood vessels in the body, distinguished from other blood vessels by their lack of muscular and elastic tissue.

Capillaries are minute thin-walled vessels that connect the arterioles and venules; it is through the capillaries that nutrients and wastes are exchanged between the blood and body tissues.

Capillaries have a single layer of flattened endothelial cells, as shown here in the diagram. There are no muscular or adventitial layers. The thinness of the capillaries helps efficient exchange …

The walls of capillaries are just one cell thick. Capillaries therefore allow the exchange of molecules between the blood and the body's cells - molecules can diffuse across their walls.