Thrombocytosis

Definition

Thrombocytosis is a condition characterized by an abnormally high number of platelets in the bloodstream. Platelets are blood cells that help with clotting, and an excess can increase the risk of blood clots forming.

Related terms

Platelets:

Small blood cells that help wounds heal and prevent bleeding by forming clots.

Hemostasis:

The process by which bleeding is stopped via blood vessel constriction and the formation of a clot.

Blood clot: A clump of blood that has changed from a liquid to a gel-like or semisolid state, preventing excessive bleeding when we’re injured but posing health risks when formed unnecessarily