platelet-activating factor

initialism: PAF
https://doi.org/10.1351/goldbook.13581
Alkyl phospholipid released by a variety of cell types including mast cells and basophils, which has immunoregulatory effects on lymphocytes and monocytes/macrophages, as well as causing platelet aggregation and degranulation.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1230 [Terms] [Paper]