What is CD20? CD20 is a protein that is normally made by specialized immune cells called B cells. B cells are found throughout the body but the greatest number are found in immune organs such as lymph nodes. ¬†Most lymphomas that start from B cells, including chronic lymphocytic leukemia (CLL), small lymphocytic lymphoma (SLL), follicular …
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What is a lymphocyte? A lymphocyte is a specialized type of immune cell and a type of white blood cell (WBC). Lymphocytes are responsible for protecting our body from infections and for helping us heal after an injury. Normal lymphocytes are small cells with a limited amount of cytoplasm (cell body) surrounding a dark round …
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