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THE RAMIFICATIONS OF THE PULMONARY VEINS OF THE ROOTS OF LUNGS
Author(s): 
Pages: 468-476
Year: Issue:  4
Journal: Acta Anatomica Sinica

Keyword:  肺根解剖学研究外科解剖学肺部手术右下肺静脉静脉分支左上肺静脉右肺左上叶上舌段静脉;
Abstract: 1. One hundred adult cadavers (75 male and 25 female) were used to study theramifications and the extrapericardial length of the pulmonary veins on the roots of thelungs. 2. The most common type (82%) of ramifications in the right and the left lungs isthat there are in each lung root a superior and an inferior pulmonary vein. Among theremaining 18%, 8% with a common trunk for the superior and inferior pulmonaryveins, 5.5% in the left lungs, and the rest 4.5% of the specimens with the superiorpulmonary vein, or its tributaries, opening into the superior vena cava, azygos or innomi-nate veins. 3. The range of the extrapericardial length of the trunk of the superior and theinferior pulmonary veins of both sides is 0.6--0.9 cm., with an average of 0.78 cm. Theleft pulmonary vein is the longest and the right inferior pulmonary vein is the shortest. 4. The patterns of the tributaries of the superior and the inferior pulmonary veinsare as follows. The most common pattern either in the right or the left pulmonary veinhas 2 tributaries. Those with 3 tributaries are the next. Those with more than 3 tribu-taries are rare. The patterns of the tributaries of the left superior pulmonary veins aremore variable than those of the right superior pulmonary veins and the inferior pul-monary veins in both sides are more constant. 5. Clinical significance of these variations are discussed.
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