Also known as: AN., AN...
AN has various meanings in the Medicine category. Discover the full forms, definitions, and usage contexts of AN in Medicine.
Androstenedione is a steroid hormone that has weak, androgenic actions on the body itself. However, it mainly acts as a stepping stone in the manufacture of testosterone and oestrogen within the body.
MedicineZinc or aluminium or some such alloy that is fixed to the hull of a vessel. They are eaten up by electrical currents moving from the vessel to the water. The anode is sacrificed to protect the metal hull of the vessel without the anode, the hull plating would be disolved by electrolysis.
MedicineIntegral number of protons in the nucleus; defines the identity of element.
MedicineSequential number assigned to each record or volume as it is added to a database (such as a library catalog or index) and which indicates the chronological order of its acquisition.
MedicineAn 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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