RT Book, Section A1 Katzung, Bertram G. A1 Kruidering-Hall, Marieke A1 Trevor, Anthony J. SR Print(0) ID 1156528453 T1 Nitric Oxide, Donors, & Inhibitors T2 Katzung & Trevor's Pharmacology: Examination & Board Review, 12e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259641022 LK accesspharmacy.mhmedical.com/content.aspx?aid=1156528453 RD 2024/04/16 AB Nitric oxide is a potent gaseous vasodilator autacoid produced from arginine in the body, and the active metabolite of drugs that release it (NO donors); it is also available as a drug in itself (NO gas). It interacts with iron in hemoglobin and can be inhibited by hemoglobin.