An occluded front is formed when a cold front overtakes a warm front. and usually form around mature low-pressure areas. The cold and warm fronts curve naturally poleward into the point of occlusion, which is also known as the triple point.
Myelogram. A myelogram is an x ray exam of the spinal cord, nerves and other tissues within the spinal cord that are highlighted by injected contrast dye.Mentioned in: Spinal Cord Tumors, Transverse Myelitis.yelogram. A myelogram is an x ray exam of the spinal cord, nerves and other tissues within the spinal cord that are highlighted by injected contrast dye. Mentioned in: Spinal Cord Tumors, Transverse Myelitis.
1 A myelogram is a procedure where special non-ionic contrast material (dye) is placed in the spinal canal in order to view the spinal canal, spinal cord and the spinal nerve roots.2  A myelogram also views the spine's vertebrae and disks as well as other parts of the spine's anatomy. A myelogram is a procedure where special non-ionic contrast material (dye) is placed in the spinal canal in order to view the spinal canal, spinal cord and the spinal nerve roots.