Platelet Activating Factor Signaling Process

**Semantic type:** Physiologic Function

**Definition:** Any process which promotes degranulation of platelets and release of platelet-activating factor into the plasma, resulting in signaling through the G protein-coupled platelet-activating factor receptor and aggregation of platelets. This process is involved in platelet aggregation, inflammation and anaphylaxis.

**Synonyms:** - Platelet Activating Factor Activation