10 Questions
Where does the superior vena cava collect blood from?
Upper half of the body
What is the diameter of the superior vena cava?
1.25 cm
Where does the superior vena cava terminate?
Upper part of the right atrium
At what level does the superior vena cava pierce the pericardium?
Right 2nd costal cartilage
Does the superior vena cava have valves?
No
Where is the extrapericardial part of the superior vena cava located?
Superior mediastinum
At what level does the superior vena cava terminate?
Lower border of the right 3rd costal cartilage
What is the length of the superior vena cava?
About 7 cm
Where is the intrapericardial part of the superior vena cava located?
Middle mediastinum
At what level does the superior vena cava pierce the pericardium?
Level of the right 2nd costal cartilage
Study Notes
Superior Vena Cava
- Collects blood from the upper half of the body, including the head, neck, and upper limbs.
- Has a diameter of approximately 2-3 cm.
- Terminates at the right atrium.
- Pierces the pericardium at the level of the 3rd costal cartilage.
- Does not have valves.
- The extrapericardial part is located in the thoracic cavity, above the heart.
- The intrapericardial part is located within the fibrous pericardium, surrounding the heart.
- The length of the superior vena cava is approximately 7-8 cm.
Test your knowledge of the superior vena cava (SVC) with this quiz. Explore its anatomy, function, and role in the circulatory system. Learn about its extrapericardial and intrapericardial parts, as well as its drainage into the right atrium.
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