Platelet dysfunction

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Platelet dysfunction may be due to a problem in the platelets themselves or to an external factor that alters the function of normal platelets.
(See also Overview of Platelet Disorders and Overview of Thrombocytopenia.)
Platelets are cells that are made in the bone marrow and circulate in the bloodstream and help blood clot.
When platelets do not function properly, people are at risk of excessive bleeding due to injuries or even spontaneous bleeding. Platelet dysfunction may be

Inherited
Acquired