whole blood (noun)

blood that has not been modified except for the addition of an anticoagulant

"whole blood is normally used in blood transfusions"

Whole blood

Whole blood is a term used in transfusion medicine for human blood from a standard blood donation. The blood is typically combined with an anticoagulant during the collection process, but is generally otherwise unprocessed. In the US, the capitalized "Whole Blood" means a specific standardized product for transfusion or further processing, where "whole blood" is any unmodified collected blood.