# photopheresis

> English word · Noun

## Definitions
1. A form of apheresis and photodynamic therapy in which blood is treated with photoactivable drugs which are then activated with ultraviolet light.

## Etymology
From photo- + apheresis.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/photopheresis