psoralen
noun
pso·ra·len
ˈsȯr-ə-lən 
: a substance C11H6O3 found in some plants that photosensitizes mammalian skin and is used in conjunction with ultraviolet light to treat psoriasis
also
: any of various derivatives of psoralen having similar properties
Examples of psoralen in a Sentence
Recent Examples on the Web
Phototherapy in combination with an oral medication called psoralen that increases the skin's sensitivity to UV light14
Prevention
The most effective way to prevent Grover's disease is to avoid its possible triggers.
—
Francisco J. Rivera Rosario, Health, 8 Aug. 2024
There are several different types of phototherapy—including narrowband UVB, broadband UVB, targeted UVB [excimer laser or light], and UVA with psoralens (topical, oral, or bath)—and all of them involve exposing the skin to light.
—Jenna Birch, SELF, 28 Oct. 2019
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Francisco J. Rivera Rosario, Health, 8 Aug. 2024
There are several different types of phototherapy—including narrowband UVB, broadband UVB, targeted UVB [excimer laser or light], and UVA with psoralens (topical, oral, or bath)—and all of them involve exposing the skin to light.
—Jenna Birch, SELF, 28 Oct. 2019
Dictionary Entries Near psoralen
Cite this Entry
“Psoralen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psoralen. Accessed 8 Nov. 2024.
Copy CitationMedical Definition
psoralen
noun
pso·ra·len
ˈsȯr-ə-lən
Love words? Need even more definitions?
Merriam-Webster unabridged
Share