1 Pseudocoelomate animals have a pseudocoelom (literally âfalse cavityâ), which is a fully functional body cavity. 2  Tissue derived from mesoderm only partly lines the fluid filled body cavity of these animals.n some protostomes, the embryonic blastocoele persists as a body cavity. These protostomes have a fluid filled main body cavity unlined or partially lined with tissue derived from mesoderm.
POLIO is a highly contagious, life-threatening disease with no cure, and while there are vaccinations to prevent it available, ahead of World Polio Day, the World Health Organisation is now advising countries prepare to give out lower doses to make stocks last. 07:50, Mon, Oct 24, 2016 | UPDATED: 09:56, Mon, Oct 24, 2016. GETTY.
The majority of people living with lupus can expect to live a normal life span. Lupus is not a universally fatal disease. In fact, today, with close follow-up and treatment, 80-90% of the people with lupus can expect to live a normal life span.Lupus varies in intensity and degree.Some people have a mild case, others moderate and some severe, which tends to be more difficult to treat and control.or people who have a severe flare-up, there is a greater chance that their lupus may be life-threatening. People do die of this disease; however, the majority of people living with lupus today can expect to live a normal lifespan.