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.
Experts also estimate that up to 800,000 million adults with Alzheimer's disease live alone, and about half of those people don't have a caregiver. Life Expectancy On average, people with Alzheimer's live eight to 10 years after diagnosis, but the disease can progress over the course of two to 20 years. According to the Alzheimer's Association, one out of three older adults dies with Alzheimer's or another kind of dementia.