Chara (alga), a genus of algae in the family Characeae. Chara (moth), a genus of moths in the family Noctuidae. CHARA array, a telescope. Beta Canum Venaticorum or Chara, a star. Chara or Southern dogs, a constellation including Beta Canum Venaticorum and Cor Caroli.
Simple squamous epithelium can be studied by looking at cells which line blood and lymph vessels. These flattened cells are called endothelial cells . The nuclei are frequently found protruding into the lumen of the vessel. Observe the numerous large blood vessels present in the periphery of this section.
Endothelial cells are epithelial cells that form a thin layer of simple squamous epithelium known as endothelium. Endothelium makes up the inner layer of vessels such as arteries, veins, and lymphatic vessels. In the smallest blood vessels, capillaries and sinusoids, endothelium comprises the majority of the vessel.