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.
ALS commonly strikes people 40 to 60 years old. It affects people of all races and ethnicities. The disease is slightly more common in men than in women, but the difference is decreasing.Treatments for the disease are limited, but promising research is ongoing.LS commonly strikes people 40 to 60 years old. It affects people of all races and ethnicities. The disease is slightly more common in men than in women, but the difference is decreasing. Treatments for the disease are limited, but promising research is ongoing.