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.
1 Forms packing around various body organs so called as packing tissue. 2  It is mesodermal in origin. 3  It has all the three components of a connective tissue i.e. cells, fibers and matrix.4  Fibroblast is the most important cell of connective tissues which is present in blood. Forms packing around various body organs so called as packing tissue. 2  It is mesodermal in origin. 3  It has all the three components of a connective tissue i.e. cells, fibers and matrix.