静脉曲张
Varix \Va"rix\, n.; pl. {Varices}. [L.] 1. (Med.) A uneven, permanent dilatation of a vein. Note: Varices are owing to local retardation of the venous circulation, and in some cases to relaxation of the parietes of the veins. They are very common in the superficial veins of the lower limbs. --Dunglison.
varix n : abnormally enlarged or twisted blood vessel or lymphatic vessel [also: {varices} (pl)]