accessory hemiazygos vein

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noun

Synonyms for accessory hemiazygos vein

a vein formed by the union of the 4th to 7th posterior intercostal veins

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References in periodicals archive ?

The diameters of the azygos vein (AV), hemiazygos vein (HV) and accessory hemiazygos vein (AHV) at various levels: all measurements in mm.

Anatomical Variations of the Azygos Venous System: Classification and Clinical Relevance/ Variaciones Anatomicas del Sistema Venoso Acigos: Clasificacion y Relevancia Clinica

Fluoroscopy showed the catheter coursing from left internal jugular vein into the accessory hemiazygos vein (arrow in Figure 1 Panel B).

Malposition of a hemodialysis catheter in the accessory hemiazygos vein

The upper part of the azygos venous line develops into the accessory hemiazygos vein, which drains the posterior fourth to sixth or sometimes seventh intercostal spaces.

Pre-aortic Inter-azygos Veins: Two Case Reports/ Venas Interacigos Pre-aorticas: Reporte de Dos Casos

The azygos system of veins is considered to be, the azygos vein, along with its left-sided counterparts, the hemiazygos vein and the accessory hemiazygos vein. Together they form an anastomosis between the superior vena cava to the inferior vena cava.

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