Lymphocytes: Function, Definition, Levels & Ranges
Lymphocytes are a type of white blood cell that are a part of your immune system. They help your body fight disease and infection.
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 lymphocytes, …
What level of lymphocytes is considered dangerous?
Oct 11, 2024 · Lymphocytes that come from more than one cell are considered “reactive,” so they typically point to an infection. Lymphocytes that are clones of a single cell, on the other hand, are …
What Lymphocytes Do and What High and Low Levels Mean
Dec 8, 2025 · Lymphocytes are a type of white blood cell produced in bone marrow that play a crucial role in your immune system. There are several types—called T cells, B cells, and natural killer (NK) …
Lymphocytes: What's a Normal Count? - WebMD
Sep 7, 2025 · Lymphocytes are a type of white blood cell that includes T, B, and natural killer cells. They help fight infection, destroy cancer cells, and control your allergic response.
Lymphocyte - Wikipedia
The two main types of lymphocytes are B lymphocytes and T lymphocytes. B lymphocytes make antibodies, and T lymphocytes help kill tumor cells and help control immune responses.
Lymphocytes: Definition, Counts, and More - Healthline
Jan 30, 2017 · Lymphocytes are white blood cells. Your lymphocyte counts can help your doctor diagnose an infection or other condition.
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
Jan 29, 2026 · 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 …
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.