Question

Endothelium of blood vessels is made up of

• A. simple cuboidal epithelium
• B. simple squamous epithelium
• C. simple columnar epithelium
• D. simple non-ciliated columnar epithelium

Answer 1

The correct option is B simple squamous epithelium

Endothelium is a type of epithelium that lines the interior surface of blood vessels and lymphatic vessels, forming an interface between circulating blood or lymph in the lumen and the rest of the vessel wall. It is a thin layer of simple squamous cells called endothelial cells.