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an enlarged, tortuous vein, artery, or lymphatic vessel.
aneurysmal varix a markedly dilated tortuous vessel; sometimes used to denote a form of arteriovenous aneurysm in which the blood flows directly into a neighboring vein without the intervention of a connecting sac.
arterial varix a racemose aneurysm or varicose artery.
esophageal varices varicosities of branches of the azygous vein which anastomose with tributaries of the portal vein in the lower esophagus; due to portal hypertension in cirrhosis of the liver.
lymph varix (varix lympha´ticus) a soft, lobulated swelling of a lymph node due to obstruction of lymphatic vessels.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
A varicosity or dilation of an artery.
See also: varix
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