• (myelogram) An x-ray of the spinal cord after an injection of dye into the space between the lining of the spinal cord and brain.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• A test that uses a special dye and X-rays to detect spinal cord problems. The dye is injected into the space surrounding the spinal cord, making the spinal cord, spinal canal, and nerve roots appear in detail on the X-ray.
  Harvard Dictionary of Health Terms
  Harvard Medical Publishing, 2011
• The radiographic examination of the spinal cord and nerve roots following the injection of a contrast medium into the spinal subarachnoid space. The X-rays taken may highlight conditions such as spinal tumors, spinal cord swelling and herniated discs.
  NCI
  U.S. National Cancer Institute, 2021
• X-ray visualization of the spinal cord following injection of contrast medium into the spinal arachnoid space.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• Myelography, medical procedure for examining the spinal cord by means of X rays. It is especially useful in diagnosing spinal abscesses and tumours and dislocated intervertebral disks. In this procedure a positive contrast agent, usually in the form of a water-soluble radiopaque substance or...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2025