释义 |
DictionarySeevaricosityPhlebectasia
Phlebectasia a dilation of a vein due to any of the following causes: valvular insufficiency, the ejection of blood from deep veins into superficial veins, and interference with venous blood flow as a result of compression of the vein by a tumor or scars. Varicosities of superficial veins in the lower extremities and of submucosal veins in the rectum (hemorrhoids) and in the esophagus are the main forms of phlebectasia. phlebectasia
varicosity [var″ĭ-kos´ĭ-te] 1. the quality or state of being varicose; called also phlebectasia and venectasia.2. varix.3. a varicose vein.phleb·ec·ta·si·a (fleb'ek-tā'zē-ă), Dilation of vein(s). Synonym(s): venectasia [phlebo- + G. ektasis, a stretching] phleb·ec·ta·si·a (fleb'ek-tā'zē-ă) Dilation of the veins. Synonym(s): venectasia. [G. phlebo, vein + G. ektasis, a stretching]phleb·ec·ta·si·a (fleb'ek-tā'zē-ă) Dilation of the veins. Synonym(s): venectasia. [G. phlebo, vein + G. ektasis, a stretching] |