coelom. coelom (sÄËlÉm) [ key ], fluid-filled body cavity, found in animals, which is lined by cells derived from mesoderm tissue in the embryo, and which provides for free, lubricated motion of the viscera.oelom. coelom (sÄËlÉm) [ key ], fluid-filled body cavity, found in animals, which is lined by cells derived from mesoderm tissue in the embryo, and which provides for free, lubricated motion of the viscera.
Facts You Should Know. ALS is not contagious. Although the life expectancy of a person with ALS averages about two to five years from the time of diagnosis, this disease is variable, and many people can live with the disease for five years and more. More than half of all people with ALS live more than three years after diagnosis.
Yes, but it is not the same type of disease. Juvenile ALS, which typically is diagnosed in individuals under age 25, is a slowly progressing disease that is often inherited; people with juvenile ALS have normal life expectancies.