platelet aggregation test n.
A test of the ability of platelets to adhere to one another and form a hemostatic plug.
- Platelet-derived growth factor
platelet-derived growth factor n. A substance in platelets that is mitogenic for cells at the site of a wound, causing endothelial proliferation.
- Platelet factor 3
platelet factor 3 n. A phospholipid lipoprotein blood coagulation factor derived from platelets that acts with certain plasma thromboplastin factors to convert prothrombin to thrombin.
plateletpheresis plate·let·phe·re·sis (plāt’lĭt-fə-rē’sĭs, -fěr’ə-) n. A process in which platelets are removed from donated blood and the remaining components are returned to the donor.
- Platelet-rich plasma therapy
noun a therapy using blood with high levels of platelets containing growth factors, esp. for acceleration in healing and regeneration; abbrev. PRP Examples With PRP, a concentration of platelets is injected directly into the injury.