<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Platelet Activating Factor Degradation consists of conjugation, transport, and/or oxidation of a phospholipid derivative (platelet activating factor) formed by platelets, basophils, neutrophils, monocytes, and macrophages that acts as a potent agent of platelet aggregation, inflammation, neutrophil activity, prostaglandin synthesis, and systemic anaphylaxis: hypotension, thrombocytopenia, neutropenia, and bronchoconstriction.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>