Researchers from the University of Tokyo have found a way to observe clotting activity in blood as it happens—without needing invasive procedures. Using a new type of microscope and artificial ...

On left is an activated "ordinary" platelet (scanning electron microscope image), the right -- "super-activated" (procoagulant) platelet (transmission electron microscope image).

Thrombocytopenia is an autoimmune bleeding disorder in which the number of platelets in the blood is significantly lower than usual. The bone marrow produces platelets, which are blood cells that help ...

Hereditary (or inherited) thrombocytopenia refers to a group of conditions where changes in certain genes cause low platelet counts. There is a risk of bleeding when platelets are too low. Though many ...