《英文msh词典》Platelet Activating Substance
[入口词] Platelet Activating Substance
[主题词] Platelet Activating Factor
[英文释义] 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.