Platelet activation refers to a process in which tiny blood cells called platelets become active and stick together, forming clumps or clots. These clots help to stop bleeding when there is an injury or cut in the body. Full definition
Flowcytometric detection of the expression of P - selectin and platelet derived membrane microparticles as markers of platelet activation in cats with aortic thromboembolic disease and hypertrophic cardiomyopathy. (www2.vet.cornell.edu)
Flowcytometric detection of the expression of P - selectin, platelet bound antibody (IgG), and the presence of platelet derived microparticles as markers of platelet activation in dogs with immune - mediated hemolytic anemia. (www2.vet.cornell.edu)
Sub-second oscillations of inositol 1,4,5 - trisphosphate and inositol 1,3,4,5 - tetrakisphosphate during platelet activation by ADP and thrombin: lack of correlation with calcium kinetics (biochemj.org)