page_title: Accessory hemiazygos vein
hierarchical_section_title: Accessory hemiazygos vein
context_page_description: The accessory hemiazygos vein, also called the superior hemiazygous veinis a vein on the left side of the vertebral column that generally drains the fourth through eighth intercostal spaces on the left side of the body.
context_section_description: The accessory hemiazygos vein, also called the superior hemiazygous veinis a vein on the left side of the vertebral column that generally drains the fourth through eighth intercostal spaces on the left side of the body.
caption: Diagram showing completion of development of the parietal veins (accessory hemiazygos vein visible at center-left)
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