Platelet-Derived Microparticle

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** A small, membrane bound vesicle circulating in the blood that was shed by a platelet. This is the most abundant type of microparticle in human blood. Since they contain platelet chemokines and surface proteins, these particles may modulate vascular processes, such as blood coagulation.

**Synonyms:** - PDMP - Platelet Microparticle - Platelet-Derived MP - Pt-MP