[ sawr-uh-luh n, sohr- ]
/ ˈsɔr ə lən, ˈsoʊr- /
a toxic substance, C11H6O3, found in certain plants, including parsnips, used to increase the response to ultraviolet light in the treatment of severe cases of acne and psoriasis.
- psoriatic arthritis
Origin of psoralen
Also called furocoumarin.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
[ sôr′ə-lən ]
Any of a group of chemical compounds found naturally in certain plants that are used in the treatment of psoriasis and vitiligo.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.