epidural
(EH-pih-DER-ul)
Having to do with the space between the wall of the spinal canal and the covering of the spinal cord. An epidural injection is given into this space.
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.