blood type
Definition
Noun A classification of human blood based on the presence or absence of specific inherited antigenic substances (antigens) on the surface of red blood cells. These antigens determine compatibility for blood transfusions.
Examples
- Before a transfusion, the patient's blood type must be determined to ensure a safe match.
- The most common systems for classifying blood type are the ABO system and the Rh system.
- Knowing your blood type can be important in medical emergencies.
- Her blood type is O negative, which is a universal donor type.
Advanced Usage
- "to type and crossmatch": A medical procedure to determine a patient's blood type and test the compatibility with donor blood.
- The lab will type and crossmatch the patient's blood before surgery.
- "blood typing": The process or technique of determining a blood type.
- Advances in blood typing have made transfusions much safer.
Variants and Related Words
- Blood group: A fully synonymous term for blood type.
- The terms "blood group" and "blood type" are often used interchangeably.
- ABO system: The primary system for blood type classification (types A, B, AB, and O).
- Rh factor: An important antigen that determines if a blood type is positive (+) or negative (-).
Synonyms
- Blood group
Related Phrases
- Universal donor: A person with type O-negative blood, whose red blood cells can be transfused to patients of any blood type in an emergency.
- Universal recipient: A person with type AB-positive blood, who can receive red blood cells from donors of any blood type.
Noun
-
human blood cells (usually just the red blood cells) that have the same antigens
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