phereses
/fəˈriːsiːz/
noun
- Medical procedures in which blood is taken from a person, a specific part is removed (like plasma or platelets), and the rest is returned to the body.
- Several types of phereses are used to treat different blood disorders.
- The hospital performs phereses to collect platelets for patients who need transfusions.
- Donors can undergo phereses more often than whole blood donation.