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Right Superior Phrenic Vein
Cardiovascular System

Right Superior Phrenic Vein

Vena phrenica superior dextra

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Quick Facts

Origin: Union of small tributaries.

Course: Along superior surface of respiratory diaphragm.

Tributaries: None.

Drainage: Superior surface of diaphragm.

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The superior phrenic veins are formed by the union of small venules on the superior surface of the respiratory diaphragm.


The superior phrenic veins course along the superior surface of the respiratory diaphragm and are accompanied by the superior phrenic arteries. They descend posteriorly to unite with the hemiazygos and azygos veins.


There are no named tributaries; however, they do form an anastomosis with the musculophrenic and pericardiacophrenic veins to ensure constant drainage of the diaphragm.

Structures Drained

The superior phrenic veins drain the vertebral portion of the respiratory diaphragm.

Learn more about this topic from other Elsevier products


ScienceDirect image

Vein is a secreted ligand for the Drosophila EGFR receptor homolog (EGFR), and EGFR-mediated activation of the Ras/MAP kinase pathway is essential for longitduinal glial cell survival (Hidalgo et al., 2001).

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Complete Anatomy

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Complete Anatomy