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.
A myelogram is an x-ray study in which special dye is injected into the spinal fluid surrounding the spinal cord. The spinal cord is not visible on a normal x-ray. Injection of this dye outlines the spinal cord, and makes it visible on the the x-ray.The injection of this dye into the spinal fluid may be done in the neck area (cisternal myelogram) or in the lower back area (lumbar myelogram).he spinal cord is not visible on a normal x-ray. Injection of this dye outlines the spinal cord, and makes it visible on the the x-ray. The injection of this dye into the spinal fluid may be done in the neck area (cisternal myelogram) or in the lower back area (lumbar myelogram).