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  1. Lymphocytes: Function, Definition, Levels & Ranges

    Jun 20, 2022 · Lymphocyte levels vary depending on your age, race, sex, altitude and lifestyle. In adults, the normal range of lymphocytes is between 1,000 and 4,800 lymphocytes in every 1 …

  2. What Lymphocytes Do and What High and Low Levels Mean

    Dec 8, 2025 · There are several types—called T cells, B cells, and natural killer (NK) cells—that support the immune system in different ways. The main function of lymphocytes is to …

  3. Lymphocytes: What Normal, Low & High Levels Mean

    Jan 5, 2022 · Lymphocytes are a type of white blood cell produced in the bone marrow. Learn what blood tests can show about lymphocyte levels, what's considered a normal range for …

  4. Lymphocytes: What's a Normal Count? - WebMD

    Sep 7, 2025 · As a key part of your immune system, abnormal amounts of lymphocytes can impact your health. Learn about lymphocyte function, how to test for them, and tips on how to …

  5. Lymphocyte - Wikipedia

    Lymphocyte ... A lymphocyte is a type of white blood cell (leukocyte) in the immune system of most vertebrates. [1]

  6. What level of lymphocytes is considered dangerous?

    Oct 11, 2024 · Before seeing a doctor about abnormal lymphocyte levels, it’s important to ask yourself if you really need a consultation. If you’re fighting off an infection, for instance, and the …