Humidity, contact with moisture, and stamps sticking to old album pages and then removed are common examples of disturbed gum. Once again, the amount of original gum left (most refer to +/- 50% of the original gum) on the stamp is a distinction that's made amongst some dealers and collectors.
Description of sciatica. Sciatica describes a collection of symptoms that can arise with sciatic nerve compression. This nerve is the largest and longest in the body, running from the base of the spine and down through both legs. Sciatic nerve compression can lead to pain that begins in the lower back and moves through the buttocks, legs and feet.
Human beings have 33 separate vertebrae that make up the spinal column. The rib cage, with the lower thoracic vertebrae visible at the bottom. Vertebrae connect to form the back's spinal cord. The tailbone, or coccyx, is the lowest segment of the spinal column.The individual vertebrae protect and support the spinal cord. The lumbar area contains the largest vertebrae, which help support body weight.he rib cage, with the lower thoracic vertebrae visible at the bottom. Vertebrae connect to form the back's spinal cord. The tailbone, or coccyx, is the lowest segment of the spinal column. The individual vertebrae protect and support the spinal cord.