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.
This indentation could be from a herniated or bulging disc, lesions, tumors, or injury to the spinal nerve roots. The myelogram is often combined with a CAT scan to get a better view of the spine in cross section. What the test does not show: The test uses X-rays and dye. It does not show the soft tissues directly (unlike the MRI scan). It shows only the bones and the spinal fluid where the dye has mixed with the fluid.