immune cell

Macrophages

Macrophages are a type of white blood cell (WBC) that play an important role in the immune system, particularly in a process called phagocytosis, where they engulf and digest pathogens (viruses and bacteria), dead cells, and cellular debris. They start their life as monocytes, a type of blood cell, that migrate from the blood to …
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Mast cells

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

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

T cells, also known as T lymphocytes, are a type of white blood cell that plays a vital role in the immune system. These cells are primarily found in lymphoid organs, such as lymph nodes, which are distributed throughout the body. They are also abundant in areas of inflammation caused by infection or injury, where …
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