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.
Serous membrane lining the wall of a serous cavity is designated parietal while that covering. viscera is called visceral. Connecting serous membrane runs between parietal and visceral components. The serous membranes are: Peritoneum â the peritoneal cavity is found within the abdominal & pelvic body cavities. Connecting peritoneum forms: â mesentery. â ligament. Pleura â two pleural cavities (separated by mediastinum) are found within the thoracic cavity. Parietal pleura is further subdivided into: