
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 microliter of blood.
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 recognize and …
Lymphocytes: What Normal, Low & High Levels Mean - Healthgrades
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 lymphocytes, …
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 antibiotics seem …
Lymphocytes: What's a Normal Count? - WebMD
Sep 7, 2025 · What does it mean if your lymphocyte count is high or low? A higher-than-normal lymphocyte count is called lymphocytosis, while a lower-than-normal count is known as …
Lymphocyte - Wikipedia
Lymphocyte ... A lymphocyte is a type of white blood cell (leukocyte) in the immune system of most vertebrates. [1]
Absolute Lymphocyte Count: High and Low Levels Explained
Jul 1, 2025 · An absolute lymphocyte count is a medical test that measures the total number of lymphocytes in a volume of blood. Lymphocytes are a type of white blood cell originating in the bone …
Lymphocytes: Definition, Function & Causes of High and Low Count
Sep 10, 2024 · There are three main types of lymphocytes: B cells: Produce antibodies to fight off infections. T cells: Directly attack infected or abnormal cells. Natural killer (NK) cells: Destroy …
Lymphocyte | Description, Types, & Functions | Britannica
Dec 5, 2025 · A lymphocyte is a type of white blood cell that is of fundamental importance in the immune system, particularly for its role in determining the specificity of the immune response to infectious …
Lymphocytes: Function, Types, and Counts - Health
Dec 6, 2025 · There are three main types of lymphocytes: B cells, T cells, and natural killer (NK) cells. Each has a unique role in defending your body against infections and diseases.