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

References in periodicals archive ?
The left superior intercostal vein and accessory hemiazygos vein are derived from left posterior cardinal vein and this vein simultaneously forms upper part of azygos vein.
Communications of the hemoazygos, accessory hemiazygos veins into the azygos vein are identified and exposed by reflecting the oesophagus and aorta upwards.
1) Cannulation of the accessory hemiazygos vein is rare but can happen when the accessory hemiazygos vein drains into the left brachiocephalic vein instead of the azygos vein normally.
The lumbar vein then ascended upwards in the thorax and joined with the left subcostal vein to continue further up as the accessory hemiazygos vein (figure 3).