photopheresis

noun

pho·​to·​phe·​re·​sis -fə-ˈrē-səs How to pronounce photopheresis (audio)
: an immunomodulating therapy used especially to treat cutaneous T-cell lymphomas that involves treating blood with a photoactive drug (as methoxsalen), obtaining a fraction rich in white blood cells, exposing the fraction to damaging ultraviolet radiation, and returning it to the body where it stimulates a therapeutic immunological response

Dictionary Entries Near photopheresis

Cite this Entry

“Photopheresis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/photopheresis. Accessed 24 Jun. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!