Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Scheme of the probable vasorelaxation mechanisms of the extracts of Ginkgo biloba (EGb). An endothelial cell is represented on top and a vascular smooth muscle cell at the bottom (cGMP—cyclic guanosine monophosphate; NO—nitric oxide; NOS—nitric oxide synthase; PNs—prostanoids; ROS—reactive oxygen species; VGCC—voltage-gated calcium channel).
