Nitric oxide
Nitric oxide (NO) is a colorless gas and a signaling molecule that plays a crucial role in various physiological processes in the body. It is a free radical composed of one nitrogen atom and one oxygen atom.
What is it?
Nitric oxide is synthesized naturally in the body by the enzyme nitric oxide synthase (NOS), which converts the amino acid L-arginine into NO. Endothelial cells, neurons, and immune cells produce it.
Why is it important?
Nitric oxide is essential for maintaining vascular health, immune defense, and cellular signaling, making it a critical molecule for overall physiological function.
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