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  1. AB Positive, AB Negative Blood | Rare Blood Type

    Less than 4% of the U.S. population have AB positive blood. AB positive blood type is known as the “universal recipient” because AB positive patients can receive red blood cells from all …

  2. Blood Types: What They Are and Mean for Your Health

    There are four main blood types: A, B, AB and O. Blood bank specialists determine your blood type based on whether you have antigen A or B on your red blood cells.

  3. ABO blood group system - Wikipedia

    ABO blood group antigens present on red blood cells and IgM antibodies present in the serum The ABO blood group system is used to denote the presence of one, both, or neither of the A …

  4. Type AB Blood | Vitalant

    You’re an AB blood type — either AB-positive (AB+) or AB-negative (AB-). But what exactly does that mean for you and the patients who can receive your blood?

  5. Blood Types Explained - A, B, AB and O - Red Cross Blood

    How Is My Blood Type Determined? It’s inherited. Like eye color, blood type is passed genetically from your parents. Whether your blood group is type A, B, AB or O is based on the blood types …

  6. Allen-Bradley Products | Allen-Bradley | US - Rockwell Automation

    Allen Bradley industrial automation components, integrated control and information solutions from Rockwell Automation make you as productive as possible.

  7. Blood Types - A, B, AB, O, Rh - Science Notes and Projects

    Nov 28, 2023 · Learn about blood types, including A, B, AB, O and Rh+ and Rh-. See which blood type is the universal donor and universal recipient.

  8. Understanding Your Blood Type With the ABO System and Rh Factor

    Dec 7, 2025 · The ABO system has four major blood types: A, B, AB, and O. Blood types are further categorized by the presence (positive or +) or absence (negative or -) of the Rh (D) …

  9. Blood Types Explained: Health, Compatibility, and Rare Types - WebMD

    Feb 19, 2025 · For example, those with type A, B, or AB blood may have a higher risk for heart attacks. But your blood type isn’t the only factor that leads to a health ailment.

  10. AB Definition & Meaning - Merriam-Webster

    Dec 8, 2015 · The meaning of AB is an abdominal muscle —usually used in plural. How to use ab in a sentence.