Example Sentences for obstructive. There is no obstructive limit to the achievements of the army of labor. The masters had been selfish and obstructive, the men selfish, silly, and light-headed. It is disgraceful, however, for the citizen to remain indifferent or obstructive, to grumble over the cost.
A vein running along the back wall of the thorax on the right side of the thoracic aorta; at the level of the fourth thoracic vertebra, the azygos vein curves forward, over the top of the hilum (root) of the right lung, and empties its blood into the superior vena cava.he vein accompanying the common iliac artery; it is formed by the union of the external and internal iliac veins, and it ends by merging with the opposite common iliac vein to form the inferior vena cava.
The azygos venous system is the only direct path into the SVC. The internal thoracic vein is the collector between SVC and inferior vena cava (IVC) via epigastric and iliac veins. The vertebral veins with intercostals, lumbar and sacral veins, represent the posterior network between SVC and IVC.ntroduction 1.1 Anatomy The superior vena cava (SVC) originates in the chest, behind the first right sternocostal articulation, from the confluence of two main collector vessels: the right and left brachiocephalic veins which receive the ipsilatera l internal jugular and subclavian veins.