myelogram
(MY-eh-loh-gram)
An x-ray of the spinal cord after an injection of dye into the space between the lining of the spinal cord and brain.
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.