azygos vein
(ay-ZY-gus vayn)
A blood vessel that carries blood from the back walls of the chest and abdomen to the heart. The azygos vein is on the right side of the middle part of the spine.
The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.
Updates regarding government operating status and resumption of normal operations can be found at opm.gov.