All the following are tributaries of Superior vena cava except
Correct Answer: Hemiazygous vein
Description: Superior vena cava is a large venous channel which collects blood from the upper half of the body and drains it into the right atrium. It is formed by the union of the right and left brachiocephalic or innominate veins behind the lower border of the first right costal cailage close to the sternum. Each brachiocephalic vein is formed behind the corresponding sternoclavicular joint by the union of the internal jugular and subclan veins. Tributaries:1. The azygos vein arches over the root of the right lung and open into the superior vena cava at the level of the second costal cailage, just before thelatter enters the pericardium.2. Several small mediastinal and pericardial veins drain into the vena cava.Ref: BD Chaurasia; Volume 1; 6th edition; Page no: 258
Category:
Anatomy
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now