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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 blood types.

  2. 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.

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

    Mar 14, 2023 · 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.

  4. AB Definition & Meaning - Merriam-Webster

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

  5. 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) antigen on the …

  6. Versiti - AB Blood Type | Blood Types Explained

    Are you type AB+ or AB-? Learn the facts about what makes your blood type special!

  7. 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?

  8. 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.

  9. AB Definition & Meaning | Dictionary.com

    a major blood group usually enabling a person whose blood is of this type to donate blood to persons of type AB and to receive blood from persons of type O, A, B, or AB.

  10. AB definition in American English | Collins English Dictionary

    In some American colleges and universities, an AB is a degree in an arts or social science subject. AB is an abbreviation for Bachelor of Arts. Collins COBUILD Advanced Learner’s Dictionary. Copyright © …