Eosinophilic granulocytes, which are part of the white blood cells, play an important role in the functioning of the human immune system. These cells are produced in the bone marrow and, upon completion of their maturation, enter the bloodstream. Their primary function lies in defending against allergic reactions and certain infections. They are most commonly found in mucous membranes, where they provide protection against potential pathogens. The normal level of eosinophilic granulocytes in the blood falls within a defined range, which is an important indicator of the body’s health status. These cells are not only involved in inflammatory processes but are also key players during allergic reactions, meaning that an…