What are the relationships of the hemiazygos vein:
a. Posterior to the aorta
b. Anterior or posterior to the thoracic duct
c. Anterior to the oesophagus
d. Anterior to the aorta
e. Lateral to the vertebral column till T9 and then anterior to it
instantknowledge Answered question August 17, 2024
The correct relationships of the hemiazygos vein are:
– **Anterior or posterior to the thoracic duct:** The hemiazygos vein may pass either anterior or posterior to the thoracic duct.
– **Lateral to the vertebral column till T9 and then anterior to it:** The hemiazygos vein is lateral to the vertebral column until T9, where it crosses anteriorly to join the azygos vein.
instantknowledge Answered question August 17, 2024