posterior component

posterior component,

n a description of the position of one side of a vertebra after it has rotated. In left rotation of the spine, the anterior component is the left side and vice versa.
References in periodicals archive ?
About 7 to 25% of osteoblastomas involve the spine (3) and it commonly tends to involve the posterior components including the pedicle in most cases, in contrast to other benign tumors, which often involve the vertebral body (4).
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