Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Hemophilia is a genetic disorder where blood doesn't clot normally because it lacks sufficient blood-clotting proteins (clotting factors).
Related terms
Coagulation: The process by which blood changes from a liquid to a gel, forming clots.
Factor VIII and Factor IX: These are specific proteins in your blood that help with clotting. Deficiencies in these factors lead to different types of hemophilia.
Genetic Disorder: A disease caused by abnormalities in an individual's genetic material (genome).