Medical Definition of Vena hemiazygos

1. Formed by the merger of the left ascending lumbar vein with the left subcostal vein or a communication from the inferior vena cava, it pierces the left crus of the diaphragm, ascends along the left side of the bodies of the lower thoracic vertebrae, opposite the eighth vertebra, crosses the midline behind the aorta, thoracic duct, and oesophagus, and empties into the azygos vein, sometimes in common with the accessory hemiazygos vein. Synonym: vena hemiazygos, vena azygos minor inferior. (05 Mar 2000)

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Lexicographical Neighbors of Vena Hemiazygos

vena facialis communis
vena facialis posterior
vena faciei profunda
vena femoralis
vena gastrica
vena gastrica-dextra
vena gastrica dextra
vena gastrica sinistra
vena gastro-omentalis dextra
vena gastro-omentalis sinistra
vena gastroomentalis
vena genus
vena gluteus
vena gyri olfactorii
vena haemorrhoidalis superior
vena hemiazygos (current term)
vena hemiazygos accessoria
vena hemizygos
vena hepatica
vena hypogastrica
vena ileocolica
vena iliaca
vena iliaca communis
vena iliaca externa
vena iliaca interna
vena iliolumbalis
vena innominata
vena intercapitalis
vena intercostalis
vena intercostalis superior dextra

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