pyramidotomy

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• pyramidotomy — Section of pyramidal tracts, in the spinal cord, for the relief of involuntary movements. [G. pyramis, pyramid, + tome, incision] medullary p. a medullary pyramidal tractotomy …   Medical dictionary

• tractotomy — Interruption of a nerve tract in the brainstem or spinal cord. [L. tractus, tract, + G. tome, incision] anterolateral t. SYN: anterolateral cordotomy. intramedullary t. SYN: trigeminal t …   Medical dictionary