Eosinophils

• Two to four percent of circulating WBCs are eosinophils
• Eosinophils are simular in size to neutrophils but have deep red cytoplasmic granules and a bilobed (two lobed) nucleus
• Eosinophils attack objects that are coated with antibodies
• Eosinophils increase during an allergic reaction of infection
• Eosinophils release enzymes that reduce inflammation produced by mast cells and neutrophils, which controls the spread of inflammation to adjacent tissues