Macrophages are essential immune cells that engulf and digest foreign particles, playing a crucial role in inflammation and tissue repair. They are found throughout the body and are involved in various diseases, including infections and cancer.

Basophils are white blood cells that play a crucial role in allergic reactions and inflammation. They release histamine and other mediators, contributing to symptoms like sneezing, runny nose, and hives. Elevated basophil counts can be associated with certain conditions, such as asthma and chronic myeloid leukemia.

Eosinophils are white blood cells that play a crucial role in the immune system. They are involved in fighting parasites, allergic reactions, and tissue repair. Elevated eosinophil counts can be a sign of various conditions, including parasitic infections and allergic diseases.