APPLIED RADIOLOGICAL ANATOMY

ANATOMY

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The thoracic duct and the right lymphatic duct return lymph to the blood at which blood vessel?
A
The Aorta
B
The Vena Cava
C
The Hypathalmus
D
The Subclavian Vein
Explanation: 

Detailed explanation-1: -The collecting vessels merge and empty lymph into the bloodstream by way of the thoracic duct at its entry into the left subclavian vein or by the right lymphatic duct, which empties into the right subclavian vein.

Detailed explanation-2: -Tributaries. The thoracic duct drains lymph from the right and left descending thoracic lymph trunks, originating from the lower 6 intercostal spaces (6 to 11). The duct also receives lymph from intercostal spaces 1 to 5 via the upper intercostal lymph trunks.

Detailed explanation-3: -It enters the thorax through the aortic opening of the diaphragm between the aorta and the azygos vein. In the posterior mediastinum, the thoracic duct lies anterior to the vertebral column, the right intercostal arteries, and the hemiazygos veins as they cross to open into the azygos vein.

There is 1 question to complete.