ACUTE circumscribed subepithelial edema of the skin was recognized as a distinct clinical entity by Milton 1 and by Quincke, 2 and shortly thereafter was termed angioneurotic edema by Strübing. 3 In ...

It was called ‘complement’ because it aided the antibacterial activity of antibodies. However, it is now known that the complement system can be activated early in an infection without the presence of ...

Complement component 3, often called C3, is an essential protein of the immune system. This protein plays a vital role in the body’s innate immune system, providing the first line of defense against ...