[sawr-uh-luh n, sohr-]
- 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.
Origin of psoralen
Also called furocoumarin.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Any of a group of chemical compounds found naturally in certain plants that are used in the treatment of psoriasis and vitiligo.