Macrophages are a type of white blood cell that plays a vital role in protecting the body from infection and in keeping tissues healthy. Their name comes from Greek words meaning “big eaters,” because they can surround, swallow, and digest harmful substances such as bacteria, viruses, and dead cells — a process called phagocytosis. Macrophages …
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Mast cells are a type of white blood cell (WBC) involved in the body’s immune response. They are similar in appearance to basophils, with both types containing large granules in their cytoplasm (body). However, mast cells originate from different cell lines and can be found throughout the body. What do mast cells do? Mast cells play a …
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Basophils are a type of white blood cell (WBC) that play a role in the body’s immune response. They are similar in appearance to mast cells and are known for their large, dark-staining granules in the cytoplasm (body of the cell). Basophils are relatively rare, making up between 0.5% to 1.0% of circulating white blood …
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T cells are a type of white blood cell that play a critical role in the body’s immune system. They are part of the adaptive immune response, which enables them to recognize specific infections and abnormal cells. T cells help protect the body by directly attacking harmful invaders, coordinating other immune cells, and remembering past …
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