Which of the following is true about the staing course of azygous vein
Correct Answer: Posterior to inferior vena cava
Description: AZYGOS VEIN The azygos vein drains the thoracic wall and the upper lumbar region.It forms an impoant channel connecting the superior and inferior venaecavae.The term azygos means unpaired.The vein occupies the upper pa of the posterior abdominal wall and the posterior mediastinum.It is formed by the union of the lumbar azygos,right subcostal and right ascending lumbar veins. Course 1.It enters the thorax by passing through the aoic opening of the diaphragm. 2.It then ascends up to fouh thoracic veebra where it arches forwards over the root of the right lung and ends by joining the posterior aspect of the superior venacava just before the latter pierces the pericardium. REF.BD CHAURASIA'S HUMAN ANATOMY.VOL.1,FIFTH EDITION.PAGE NO.218
Category:
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