KnowraNitric oxideLinked fromLinked fromThe 36 pages that link to Nitric oxide, each with the reason it gives.All 36Broader topic 5Related 26Compared with 5Carbon monoxideCompared with: It is another small gaseous molecule that binds heme, but it has distinct biological roles.Nitrous oxideCompared with: Nitric oxide and nitrous oxide have different formulas, biological roles, and atmospheric behavior.VasoconstrictionCompared with: It opposes constriction by promoting vessel relaxation.EicosanoidCompared with: It shares local vascular effects with eicosanoids despite having a chemically distinct origin.Dinitrogen tetroxideCompared with: Unlike N₂O₄, it is a monomeric radical rather than a dimeric reservoir of NO₂.