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Radiology, University of Rochester Medical Center (767 words) |
 | Ossified posterior longitudinal ligament was seen at C 4/5 level (Fig. |
 | On axial sections, the ossified posterior longitudinal ligament is seen as a ’mushroom’, a ‘hill’, and a ‘square’ or a mixture of these shapes. |
 | And a characteristic sharp radiolucent line separates the ossified posterior longitudinal ligament from the posterior vertebral margin representing the unossified deep component of posterior longitudinal ligament [4]. |
| Gray, Henry. 1918. Anatomy of the Human Body. Page 113 (800 words) |
 | The body and vertebral arch are ossified in the same manner as the corresponding parts in the other vertebræ;, viz., one center for the body, and two for the vertebral arch. |
 | The base of the process is separated from the body by a cartilaginous disk, which gradually becomes ossified at its circumference, but remains cartilaginous in its center until advanced age. |
 | In this cartilage, rudiments of the lower epiphysial lamella of the atlas and the upper epiphysial lamella of the axis may sometimes be found. |