type O

Any-body-compatible blood

Type O is a blood classification in the ABO system, characterized by red blood cells that lack A and B antigens.

Type O negative is the universal donor—compatible with all blood types in emergencies—while type O positive is the most common blood type worldwide.

They needed type O blood for the transfusion.

Related

transfusion · plasma · red cells · hospital · antibodies · Rh factor · A · B · AB · blood group · positive · compatible · emergency · donation · bank · crossmatch · hemoglobin · vein

Categories
Opposites
blood type antigen presence

type Otype AB

Blood with both antigens

AB positive · AB negative · universal recipient · type B · A positive

Phrases
Family

type, types, typed, prototype, archetype

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Rated G