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.
endothelium. the layer of epithelial cells that lines the cavities of the heart and of the blood and lymph vessels, and the serous cavities of the body.enÂ·doÂ·theÂ·liÂ·um/ (-theÂ´le-um) pl. endotheÂ´lia the layer of epithelial cells that lines the cavities of the heart, the serous cavities, and the lumina of the blood and lymph vessels.