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.
c. Endothelium --ANSWER. The endothelium is the thin layer of cells that line the interior surface of blood vessels, forming an interface between circulating blood in the lumen and the rest of the vessel wall.Endothelial cells line the entire circulatory system, from the heart to the smallest capillary.. Endothelium --ANSWER. The endothelium is the thin layer of cells that line the interior surface of blood vessels, forming an interface between circulating blood in the lumen and the rest of the vessel wall.