Glossary: Swirling

Glossary Swirling Swirling is an attempt to assess donated platelets for the presence of a moving, varied color appearance when backlit. The principle behind swirling is that viable platelets in an “unactivated” state have a discoid appearance, and that...

Glossary: AABB Standards

Glossary AABB Standards Commonly used name for a publication from AABB formally known as “Standards for Blood Banks and Transfusion Services.” The requirements listed in this dense little book are those under which all AABB-accredited facilities must...

Glossary: ISBT 128

Glossary ISBT 128 A standard of blood product labeling and identification designed to make units collected at one facility easily managed and read by a different facility, even if the other facility is in another country. ISBT stands for “International Society...

Glossary: Irradiation

Glossary Irradiation Modification to a blood product in which cellular blood products are exposed to a specified amount of either gamma rays, x-rays, or ultraviolet B rays (outside of the U.S.). Irradiation is performed solely to prevent transfusion-associated graft...

Glossary: JMH

Glossary JMH The so-called “John Milton Hagen” system is composed of multiple very high incidence antigens based on a very common membrane protein called “semaphorin 7A” (which is widely present but has an unknown function). Antibodies in this...

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