Varix — An enlarged and convoluted vein, artery or lymphatic vessel. * * * 1. A dilated vein. 2. An enlarged and tortuous vein, artery, or lymphatic vessel. [L. v. (varic ), a dilated vein] v. anastomoticus SYN: aneurysmal v.. aneurysmal v. dilation and… … Medical dictionary
anastomotic varix — aneurysmal v. (def. 2) … Medical dictionary
Pott aneurysm — aneurysmal varix (def. 2) … Medical dictionary
Aneurysm — A localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word “aneurysm” comes from the Greek “aneurysma” meaning “a widening.” * * *… … Medical dictionary
Pott aneurysm disease etc. — (pot) [Sir Percivall Pott, English surgeon, 1714–1788] see aneurysmal varix, under varix; see tuberculosis of spine; and see under abscess, curvature, fracture, paraplegia, and tumor … Medical dictionary
arteriovenous aneurysm — a direct communication between an artery and vein, without an intervening capillary bed. It can occur as a congenital abnormality or it may be acquired following injury or surgery. It may affect the limbs, lungs, or viscera and may be single or… … Medical dictionary
arteriovenous fistula — 1. a communication, sometimes congenital but often traumatic, between an artery and a nearby vein, so that blood flows directly into the vein (aneurysmal varix) or else is carried into the vein by a connecting sac (varicose aneurysm). 2. a… … Medical dictionary