Lymphocytes: Function, Definition, Levels & Ranges
Jun 20, 2022 · Lymphocytes are a type of white blood cell that are a part of your immune system. They help your body fight disease and infection.
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) …
What level of lymphocytes is considered dangerous?
Oct 11, 2024 · But what’s considered a “normal” range of lymphocytes? Does it mean you have cancer if they exceed or fall below a certain level? And, when should you see a doctor if routine bloodwork …
Lymphocyte - Wikipedia
A lymphocyte is a type of white blood cell (leukocyte) in the immune system of most vertebrates. [1] Lymphocytes include T cells (for cell-mediated and cytotoxic adaptive immunity), B cells (for …
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.
When to Worry About Low Lymphocytes on a Blood Test
May 11, 2023 · Seeing low lymphocytes on a blood test can be stressful, but it’s important to understand what they mean. Learn when to worry about low lymphocytes.
Absolute Lymphocyte Count: High and Low Levels Explained
Jul 1, 2025 · Lymphocytes are a type of white blood cell originating in the bone marrow and lymphatic system and are a component of the body’s immune system. The “absolute” value provides a precise …
Lymphocyte | Description, Types, & Functions | Britannica
Dec 5, 2025 · lymphocyte, type of white blood cell (leukocyte) that is of fundamental importance in the immune system because lymphocytes are the cells that determine the specificity of the immune …
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 …
Lymphocytes: Function, Types, and Counts - Health
Dec 6, 2025 · Lymphocytes are white blood cells that play an essential role in combating infections. These cells recognize and attack bacteria, viruses, and fungi.