+**C5a** is a potent anaphylatoxin, a fragment cleaved from the [Complement System](/wiki/Complement_System) protein C5. This peptide acts as a powerful beacon, drawing [Immune Cells](/wiki/Immune_Cells) to sites of injury or infection, thereby orchestrating acute inflammatory responses.
+## See also
+- [Complement System](/wiki/Complement_System)
+- [Inflammation](/wiki/Inflammation)
+- [Anaphylatoxin](/wiki/Anaphylatoxin)
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