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.

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.

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 and B antigens …

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?

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

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.

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 …

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.

ab- a prefix occurring in verbs or verbal derivatives borrowed from Latin, where it meant “off, away”: abhor; abjure; abrade. Compare a- 4, abs-.

According to the American Heart Association (AHA), A, B, and AB blood types are associated with a greater risk of dangerous blood clotting and heart attack due to coronary artery disease than type ...