Hemolysis (or haemolysis)—from the Greek Hemo-, Greek Αἷμα meaning blood, -lysis, meaning to break open—is the breaking open of red blood cells and the release of hemoglobin into the surrounding fluid (plasma, in vivo). In vivo hemolysis In vivo hemolysis, which can be caused by a large number of conditions, can lead to anemia. Anemias caused by in vivo hemolysis are collectively called hemolytic anemias. In vitro hemolysis In vitro hemolysis can be an… (More on Hemolysis)