Superior vena cava

Vena cava superior

A short, wide vessel approximately 7 cm long, formed by the junction of the right and left brachiocephalic veins posterior to the first right costal cartilage. It descends through the superior mediastinum, receiving the azygos vein, and empties into the right atrium.

类型 Vessel
身体系统 Cardiovascular
身体区域 Heart Region
拉丁名称 Vena cava superior
FMA ID 4720

功能

Returns deoxygenated blood from the head, neck, upper limbs, and thorax to the right atrium of the heart. Formed by the confluence of the right and left brachiocephalic veins.

临床意义

Superior vena cava syndrome results from compression or obstruction (often by lung cancer or lymphoma), causing facial and upper limb swelling. Central venous catheters are placed via the subclavian or internal jugular veins into the SVC.

常见问题

What is the Superior vena cava?
A short, wide vessel approximately 7 cm long, formed by the junction of the right and left brachiocephalic veins posterior to the first right costal cartilage. It descends through the superior mediastinum, receiving the azygos vein, and empties into the right atrium.
What is the function of the Superior vena cava?
Returns deoxygenated blood from the head, neck, upper limbs, and thorax to the right atrium of the heart. Formed by the confluence of the right and left brachiocephalic veins.
What body system is the Superior vena cava part of?
The Superior vena cava is part of the Cardiovascular.
What conditions affect the Superior vena cava?
Superior vena cava syndrome results from compression or obstruction (often by lung cancer or lymphoma), causing facial and upper limb swelling. Central venous catheters are placed via the subclavian or internal jugular veins into the SVC.
Where is the Superior vena cava located?
The Superior vena cava is located in the Heart Region region of the body.

相关结构

pericardial sac pericardium artery arterial subtree proepicardium proepicardial cluster pulmonary capillary plexus capillary network of lung pulmonary lymphatic vessel lymphatic vessel of lung pulmonary lymph node intrapulmonary lymph node pulmonary vascular system pulmonary circulatory system pericardial cavity cavitas pericardiaca

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Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.