nitric oxidemedical dictionary

<biochemistry> This compound is produced from L arginine by the enzyme nitric oxide synthase. Acts as a potent vasorelaxant via elevation of intracellular cGMP in vascular smooth muscle.

Synthesis of nitric oxide is not confined to endothelium, isoforms of nitric oxide synthase are also found in brain, neutrophils and platelets.

Synonyms: endothelium derived relaxation factor.

Acronym: NO

(29 Dec 1997)