sentence: Eosinophils are round cells with a lobed nucleus and granules which turn red when stained.
sentences_before: Eosinophils, or 'acidophils', are leukocytes. They are one of the immune system components which combat parasites and certain infections. As with mast cells and basophils, they part causes of allergy and asthma.
sentences_after: These granules are packed with proteins that can be poured out to help destroy invaders.
concept_name: eosinophil
headings: White blood cell Types of white blood cells Granulocytes Eosinophils
categories: Cell biology Immunology Blood cells