platelet-activating factor
noun
plate·let-ac·ti·vat·ing factor
-ˌak-tə-ˌvāt-iŋ-
: phospholipid that is produced especially by mast cells and basophils, causes the aggregation of blood platelets and the release of blood-platelet substances (as histamine or serotonin), and is a mediator of inflammation (as in asthma)
—abbreviation PAF
Love words? Need even more definitions?
Merriam-Webster unabridged
Share