Blood Differential
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| Blood Differential : What is a blood differential test? A blood differential test measures the amount of each type of white blood cell (WBC) that you have in your blood. This test can help diagnose or monitor an infection or condition that affects your immune system. White blood cells are also called leukocytes and WBCs. They are a type of blood cell that is made in your bone marrow and found in your blood and lymph tissue (which is part of your lymphatic system). White blood cells are an important part of your immune system. When you are injured or sick, your white blood cells will travel through your bloodstream and tissues to where they are needed. There, they will help your body fight off the infection or disease. There are five different types of white blood cells: - Neutrophils are the most common type of white blood cell. They are your body's main defense against infection when bacteria, viruses, or other germs enter your body. - Lymphocytes include two main types of white blood cells: B cells and T cells. B cells fight off invading viruses, bacteria, or toxins. Certain T cells can target and destroy your body's own cells, such as cancer cells and cells that have been infected by viruses. - Monocytes kill bacteria, viruses, and other germs that may make you sick. They also boost your body's immune response and clear away dead cells. - Eosinophils defend against parasites and infections. They are also involved in allergies and help control inflammation (swelling and redness). - Basophils release enzymes during allergic reactions and asthma attacks. A blood differential test measures the amount and/or percentage of each type of white blood cell. Another test called a white blood count (WBC) measures the total number of these cells in your blood. Other names for a blood differential test: Complete blood count (CBC) with differential, Differential, White blood cell differential count, Leukocyte differential count, Peripheral Differential | |
| Review Date: 09/10/2024 | Updated By: |