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Related to decussation: decussation of pyramids
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Two sutures taken were intersected the wound outside (Just decussation without knot).
2) Colour-coded functional anisotropic maps evaluate for the presence of a focal red dot anterior to the mesencephalon, adjacent to the interpeduncular fossa, which represents the decussation of these fibre tracts (Fig.
This means that unilateral pyramidal tract lesions above the point of decussation in the pyramids will cause paralysis of the muscles served by the spinal nerves on the opposite side of the body.
The fibers in the pyramidal decussation to the upper limbs are more superior and ventral and more medial than the lower limb fibers, which are located inferior and laterally at the cervicomedullary junction.