Also known as: AN., AN...
AN has various meanings in the Health category. Discover the full forms, definitions, and usage contexts of AN in Health.
Acetonitrile is the chemical compound with the formula CH3CN. This colourless liquid is the simplest organic nitrile. It is produced mainly as a byproduct of acrylonitrile manufacture. It is used as a polar aprotic solvent in organic synthesis and in the purification of butadiene.
HealthAn aneurysm is a localized, blood-filled balloon-like bulge in the wall of a blood vessel. Aneurysms can occur in any blood vessel, with particularly lethal examples including aneurysms of the Circle of Willis in the brain, aortic aneurysms affecting the thoracic aorta, and abdominal aortic aneurysms. Aneurysms can arise in the heart itself following a heart attack, including both ventricular and atrial septal aneurysms.
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