Science. 1  Chara (alga), a genus of algae in the family Characeae. 2  Chara (moth), a genus of moths in the family Noctuidae. 3  CHARA array, a telescope.  Beta Canum Venaticorum or Chara, a 1  star. Chara or Southern dogs, a constellation including Beta Canum Venaticorum and Cor Caroli.
/mesoÂ·theÂ·liÂ·um/ (-theÂ´le-um) the layer of cells, derived from mesoderm, lining the body cavity of the embryo; in the adult, it forms the simple squamous epithelium that covers all true serous membranes (peritoneum, pericardium, pleura).mesotheÂ´lial.
Endothelium is the internal lining of your blood vessels 10. Viscera a. A delicate layer called a serous membrane lines the walls of these internal cavities and covers the surfaces of the enclosed viscera. 11. Thoracic Cavity a. Each pleural cavity, which contains a lung, is lined by a shiny, slippery serous membrane that reduces the friction as the lung expands and recoils during respiration. b. The serous membrane lining a pleural cavity is called pleura. The visceral pleura covers the outer surfaces of the lung, the parietal pleura covers the inner surfaces of the lung. c.