AN ANATOMIC, MYELOGRAPHIC AND CINEMYELOGRAPHIC STUDY OF THE DENTATE LIGAMENTS

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Abstract
The anatomy of the dentate ligaments is described as seen in situ in the cadaver, after removal of the spinal cord at necropsy, and on myelographic and cinemyelographic investigations during life. Prong-like protrusions are present at the apical tips of each triangular leaflet. These emerge from a cord-like rounded peripheral band which circumscribes the free edge of each dentate ligament, and inserts into the dura mater. Variations in the cervical and thoracic regions are noted. These dural insertions function as points around which the segments of the dentate ligament swivel or turn during rotary motion. These changes, as well as those apparent with flexion and extension, were studied in the cadaver and during life. Cinemyelographic examinations were found to be desirable for motion studies.

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