The abnormal narrowing of a blood vessel is called stenosis. This condition can occur in arteries or veins and may result from various factors, including atherosclerosis, inflammation, or congenital defects. Stenosis can lead to reduced blood flow, resulting in symptoms such as pain, organ dysfunction, or in severe cases, ischemia and tissue damage. Treatment options may include lifestyle changes, medications, or surgical interventions, depending on the severity and location of the stenosis.
Abnormal narrowing of one or more blood vessels.
Stenosis means narrowing and proximal means closer to the body.
Vasoconstriction is normal physiologic narrowing, and angiostenosis is abnormal narrowing.Stenosis
An angiostenosis is the narrowing of a blood vessel.
It means narrowing and/or blocking of a blood vessel or tubular organ.
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Constriction is the medical term meaning normal, physiologic narrowing. Stenosis is the medical term meaning abnormal narrowing.
Vasospasm-- Narrowing of a blood vessel caused by a spasm of the smooth muscle of the vessel wall.
Atherosclerosis is a process where plaques are formed within the lumen (inner lining) of blood vessels. This causes narrowing of the blood vessel.
Dilation of a blood vessel is the term for physiologic widening of the vessel. Abnormal widening of the blood vessel through a weakening of the wall is known as aneurysm.Dilation of a blood vessel means widening of the vessel.
enlargement of the left ventricle; ventricular aneurysms (abnormal dilation of a blood vessel); narrowing of the aortic valve; insufficiency of the aortic or mitral valve; and septal defects
The causes of primary and secondary RP are unknown. Both abnormal nerve control of the blood-vessel diameter and nerve sensitivity to cold exposure have been suspected as being contributing factors. The characteristic color changes of the digits are in part related to initial blood-vessel narrowing due to spasm of the tiny muscles in the wall of the vessels, followed by sudden opening (dilation), as described above. The small arteries of the digits can have microscopic thickness of their inner lining, which also leads to abnormal narrowing of the blood vessels.