| KATP channel | ATP-sensitive potassium channel |
| l-NAME | NW-nitro-l-arginine methyl ester |
| Kir | inward-rectifying potassium channel |
| SUR | sulfonylurea receptor |
| log ED50 | logarithm of drug concentration to produce 50% of the maximal vasodilation |
| PKC | protein kinase C |
| CAE | Centrifuged aqueous extract |