intercostal vein


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intercostal vein

Any of the veins that accompany the intercostal arteries and drain blood from the walls of the chest. The upper intercostal vein empties into the ipsilateral brachiocephalic or vertebral vein. Intercostal veins 2-4 merge to form the superior intercostal vein, which drains into the azygos vein on the right and the accessory hemiazygos vein on the left. Lower intercostal veins drain directly into the azygos vein on the right and the hemiazygos vein on the left.
Synonym: posterior intercostal vein
See also: vein
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References in periodicals archive ?
All the right posterior intercostal veins are traced to the site of their termination into the azygos vein.
Study of azygos system and its variations
The normal ve abnormal left superior intercostal vein.
Sol superior interkostal venin cok detektorlu bilgisayarli tomografi anjiografi bulgulari: iki olgu nedeniyle / Multidetector computed tomography angiography findings of the left superior intercostal vein: a report of two cases
It is accompanied by two satellite veins that establish anastomosis between them, forming a single vein that communicates with the intercostal veins of the sixth intercostal space.
Lateral-bilateral Costal Branch (R. Costalis Lateralis): A Clinically Relevant Anatomical Variation/Rama Costal Lateral Bilateral (R. Costalis Lateralis): Una Variacion Anatomica Clinicamente Relevante

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