Definition: Spondylodymus is a term that refers to the spinal column, which includes all the vertebrae of the spine. It's often described as the "bowtie" or "bow tie" of the body, and it plays an important role in maintaining balance, posture, and movement. The spondylodymus is composed of two groups of bones: the lumbar and sacral groups. The lumbar group includes the sacrum, ilium, and coccyx,
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