Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Hemolysis is the process of red blood cells (RBCs) breaking down, either in the bloodstream or while still in the vascular system. This breakdown results in the release of hemoglobin and other internal components into the surrounding fluid.
Related terms
Agglutination: The clumping together of red blood cells due to an immune reaction, often occurring when there is a mismatch between donor and recipient blood types during a transfusion.