plateletpheresis medical definition
plateletpheresis in Medicine. plateletpheresis plateÂ·letÂ·pheÂ·reÂ·sis (plÄt'lÄ­t-fÉ-rÄ'sÄ­s, -fÄr'É-) n. A process in which platelets are removed from donated blood and the remaining components are returned to the donor.