Platelet Activating Factor

**Definition:** A phospholipid derivative formed by PLATELETS; BASOPHILS; NEUTROPHILS; MONOCYTES; and MACROPHAGES. It is a potent platelet aggregating agent and inducer of systemic anaphylactic symptoms, including HYPOTENSION; THROMBOCYTOPENIA; NEUTROPENIA; and BRONCHOCONSTRICTION.

**Tree numbers:** - D02.033.100.291.211.500 - D02.092.063.291.211.500 - D02.092.877.883.333.710 - D02.675.276.232.710 - D10.570.755.375.760.400.985.910 - D23.119.865 - D23.469.050.600

**Synonyms:** - Platelet Aggregation Enhancing Factor - Platelet-Activating Substance - Thrombocyte Aggregating Activity - 1-Alkyl-2-acetyl-sn-glycerophosphocholine - Acetyl Glyceryl Ether Phosphorylcholine - AGEPC - PAF-Acether - Platelet Aggregating Factor - Phosphorylcholine, Acetyl Glyceryl Ether