# Eosinophils --- **Eosinophils** are a type of [[white blood cells|granulocyte]] that primarily has [[antimicrobial substances]], especially those that are good against parasitic worms. They also have substances that can *reduce* [[inflammation]]. ![[eosinophil.png]] Eosinophils also have a big role to play in [[type I hypersensitivity|type I hypersensitivities]] ___