From Wikipedia, the free encyclopedia. The Trillion dollar club is an unofficial classification of the world's major economies with a gross domestic product (nominal GDP) of more than USD 1 trillion per year. As of 2011 it currently includes 15 countries.
1 Leukemia is a cancer that starts in blood-forming tissue, such as the bone marrow, and causes large numbers of abnormal blood cells to be produced and enter the blood.arcoma. A cancer of the bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. Tissue. A group of cells that act together to carry out a specific function in the body.
The strands of fibrin form a meshwork and trap blood cells and platelets which form into a solid clot. If a blood clot forms within a healthy blood vessel it can cause serious problems. So, there are also chemicals in the blood that prevent clots from forming and chemicals that 'dissolve' clots.There is balance between forming clots and preventing clots.lotting disorders. Sometimes a blood clot forms within a blood vessel that has not been injured or cut-for example: 1  A blood clot that forms within an artery supplying blood to the heart or brain is the common cause of heart attack and stroke.