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Why Do I Need a Rubella Test? Medically Reviewed by Jennifer Robinson, MD on February 25, 2024. Written by Linda Rath. Who Gets This Test? How It's Done. What the Results Mean. 3 min read. Rubella,...
2023年3月5日 · The four major blood groups are based on whether or not you have two specific antigens -- A and B. Doctors call this the ABO Blood Group System. Group A has the A antigen and B antibody. Group B...
- Overview
- Blood Color
- Lymphocytes Defense
- Testing WBCs
- Normal Ranges
- Low Counts
This article is about the role of white blood cells, specifically lymphocytes, in our body and how they defend us from infections and diseases. It also explains different types of lymphocytes such as B cells, T cells and natural killer cells along with their functions. The article provides information on normal ranges of lymphocyte counts for adult...
The color of your blood comes from red blood cells that carry oxygen through your body. White blood cells defend the body from infection, with lymphocytes being an important part of the immune system.
For every 600 to 700 red blood cells, there is one white blood cell. Lymphocytes are formed in bone marrow and act as the body's army against invading organisms or viruses. There are two types of lymphocytes - B cells make antibodies while T cells destroy virus-taken over or cancerous cells. Natural killer cells can destroy tumor without activation...
A complete blood count measures different components of your blood including white and red blood cells, platelets, hemoglobin and hematocrit ratio; flow cytometry is a more detailed test that looks at many types of blood cell levels including different lymphocyte counts; both tests require a sample taken by healthcare professional sent to lab for a...
Normal ranges vary among labs but depend on age with normal adult range between 1k-4.8k per microliter while children have 3k-9.5k per microliter; high counts mean fighting an infection but sometimes due to serious conditions like hepatitis, HIV/AIDS etc., diagnosis requires doctor consultation after medical history review and physical exam along w...
Less than 1k per microliter considered low count for adults while less than 3k per microliter considered low count for children; underlying causes include autoimmune disorders like lupus, infectious diseases like tuberculosis/AIDS/viral hepatitis etc., radiation therapy or steroid therapy ; diagnosis involves doctor consultation after medical histo...
2024年1月31日 · Hepatitis A, also called hep A, is a contagious liver infection caused by the hepatitis A virus. Some people have only a mild illness that lasts a few weeks. Others have more severe problems...
2023年11月19日 · What Are Blood Clots? Blood clots help stop bleeding when you're injured. But other times, they're dangerous and can cause life-threatening medical conditions. (Photo credit: Science Photo...
2011年3月15日 · There are three common types of hepatitis caused by viruses: hepatitis A, hepatitis B, and hepatitis C. Vaccines have been developed that protect people from contracting hepatitis A and B....
2024年3月10日 · What Is ADHD? ADHD stands for attention deficit hyperactivity disorder. It’s a brain disorder that affects how you pay attention, sit still, and control your behavior. It happens in children and...
