Blood bone marrow in a process called hematopoiesis, which includes erythropoiesis, the production of red blood cells; and myelopoiesis, the production of white blood cells and platelets. During childhood, almost every human bone produces red blood cells; as adults, red blood cell production is limited to the larger bones: the bodies of the vertebrae, the breastbone (sternum), the ribcage, the pelvic bones, and the bones of the upper arms and legs. In addition, during childhood, the thymus gland, found in the mediastinum, is an important source of T lymphocytes. The proteinaceous component of blood (including clotting proteins) is produced predominantly by
Soft tissue disorder injuries. This area of expertise has become known as soft tissue therapy and is rapidly expanding as the technology continues to improve the ability of these specialists to identify problem areas more quickly. A promising new method of treating wounds and soft tissue injuries is via platelet growth factor (PGF). There is a close overlap between the term "soft tissue disorder" and rheumatism. Sometimes the term "soft tissue rheumatic disorders" is used to describe these conditions. Soft tissue disorder Soft tissue disorders are medical conditions affecting soft tissue. Often soft tissue injuries are some of the most chronically painful and