What is a platelet? The anatomic definition of a platelet is well established: According to MedicineNet.com, it is “an irregular, disc-shaped element in the blood that assists in blood clotting. During normal blood clotting, the platelets clump together (aggregate). Although platelets are often classed as blood cells, they are actually fragments of large bone marrow cells called megakaryocytes.” This definition, however, does not do justice to our rapidly expanding understanding of the platelet’s roles, functions, and laboratory applications.
What the numbers say
Laboratories with the ability to detect platelet function defects still tend to focus on identifying the two percent of the population that have heritable platelet function defects and von Willebrand Disease.
Source: MedicalLaboratoryObserver
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