From Wikipedia, the free encyclopedia. Injection molding (British: moulding ) is a manufacturing technique for making parts from. both thermoplastic and thermosetting plastic materials in production . Molten plastic is. injected at high pressure into a mold , which is the inverse of the product's shape.
Print this Page. Plasmacytoma refers to a tumour consisting of abnormal plasma cells that grows within the soft tissue or bony skeleton. It can be present as a discreet solitary mass of abnormal plasma cells, in which case it is termed a solitary plasmacytoma or it can be present as part of a systemic disorder - called multiple myeloma. Multiple myeloma is a type of blood cancer of the plasma cells which are found in the bone marrow. The prognosis and treatment of solitary plasmacytomas is very different to multiple myeloma. Plasma cells are a type of white blood cell that develops from mature B-lymphocytes in the bone marrow. They play an important role in protecting the body against infection and disease by producing proteins called immunoglobulins (Ig), also known as antibodies. There are two main types of solitary plasmacytomas:
Multiple myeloma is a cancer that starts in plasma cells. Plasma cells are a type of white blood cell that makes antibodies (also called immunoglobulins) to help the body fight infection. Plasma cells are found mainly in the bone marrow but are also in some other tissues and organs.