what is mannan binding lectin
mannan-binding lectin (MBL), a circulating plasma, acute phase protein of hepatic origins that plays an important role in the innate immune response to infection, because it binds to carbohydrates on bacteria, and subsequently activates the complement pathway. circulating plasma, acute phase protein of hepatic origins that plays an important role in the innate immune response to infection, because it binds to carbohydrates on bacteria, and subsequently activates the complement pathway.