psoralen
/ˈsɔr.ə.lən/
noun
- A chemical compound found in certain plants, used in medicine to treat skin conditions like psoriasis and vitiligo, especially when combined with ultraviolet light.
- After taking psoralen, the patient had to avoid direct sunlight for 24 hours.
- The doctor prescribed psoralen along with light therapy for the patient's psoriasis.
- Psoralen is naturally present in figs, celery, and parsley.