platelet-aggregating factor n.
A substance released from rabbit basophilic white blood cells that causes aggregation of platelets and is involved in the deposition of immune complexes. Also called platelet-activating factor.
- Platelet aggregation test
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.