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  1. White Blood Cells: Types, Function & Normal Ranges

    Jul 23, 2021 · White blood cells, also known as leukocytes, are responsible for protecting your body from infection. As part of your immune system, white blood cells circulate in your blood and respond to …

  2. White blood cell - Wikipedia

    White blood cells (scientific name leukocytes), also called immune cells or immunocytes, are cells of the immune system that are involved in protecting the body against both infectious disease and foreign …

  3. Leukocytes in Urine: Causes - WebMD

    Dec 29, 2024 · Leukocytes are white blood cells created in the bone marrow and found in your blood and tissue. They are part of the immune system. When you have allergies, inflammation, infection, or …

  4. Blood - Leukocytes, Immunity, Defense | Britannica

    Dec 15, 2025 · White blood cells (leukocytes), unlike red cells, are nucleated and independently motile. Highly differentiated for their specialized functions, they do not undergo cell division (mitosis) in the …

  5. White Blood Cell Count: Normal, High, and Low Counts - Healthline

    Mar 7, 2024 · White blood cells, also called leukocytes, are an important part of the immune system. They originate in the bone marrow and move throughout the bloodstream. These cells help fight …

  6. Health Encyclopedia - University of Rochester Medical Center

    White blood cells are also called leukocytes. They protect you against illness and disease. Think of white blood cells as your immunity cells. In a sense, they are always at war. They flow through your …

  7. Leucocytes: Functions, Types, and Counts - Biology Insights

    Jul 28, 2025 · Leucocytes, commonly known as white blood cells, are a diverse group of cells that form a major part of the body’s immune system.

  8. Leukocytes or White Blood Cells - Science Notes and Projects

    Dec 12, 2023 · Leukocytes, commonly known as white blood cells, are key components of the human immune system. Their primary function is defending the body against infectious disease and foreign …

  9. Types of Leukocytes: Key Structures & Vital Functions

    Sep 7, 2024 · Explore the main types of leukocytes, their unique structures, key immune functions, and detailed diagrams. Understand how they protect your body.

  10. Types of White Blood Cells (WBCs) - Verywell Health

    Oct 23, 2025 · White blood cells are also known as leukocytes. They are the body's defense against infections. There are several different types with different purposes. Some white blood cells are part …