Superior phrenic vein (Vena phrenica superior)
Educational content only — not medical advice.
Anatomy
Drains the thoracic convex surface of the diaphragm, terminating in the azygos vein on the right and hemiazygos or musculophrenic on the left.
Clinical notes
Forms an auxiliary portocaval and cavocaval collateral channel in chronic superior or inferior vena cava obstruction.
Related structures
Educational references
FAQ
What is the role of the Superior phrenic vein?
Drains the thoracic convex surface of the diaphragm, terminating in the azygos vein on the right and hemiazygos or musculophrenic on the left.
Why is the Superior phrenic vein clinically important?
Forms an auxiliary portocaval and cavocaval collateral channel in chronic superior or inferior vena cava obstruction.
Source & license
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