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Signaling MoleculeNitric oxide is a quite salient signaling molecule, instrumental in both learning and memory. Research has shown, quite extensively, that NO or nitric oxide is involved in the formation of learning in rodents. Neurobiologists, internationally, are enthralled with the potential benefits of this molecule. As well, Nitric oxide, also once known as EDRF, may have a possible role in the type of memory which subserves object recognition. This molecule is derived from the vascular endothelium, and since its is a gaseous molecule, it diffuses across the membrane and impacts the tonicity of the perivascular smooth muscle. It helps the muscle around the blood vessel, to relax. This is why this paradigm is involved in the action of sildenafil citrate (Viagra) Studies were done in the Netherlands, by researchers and results should be of interest to those individuals concerned with aging, and the biology of longevity, and staying health. You can learn more about nitric oxide chemistry, through searching either a medical database or specifically for nitricoxidechemistry.
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