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spinogracile fibers


Definition: axons that originate from neurons in the posterior horn of lower thoracic and lumbosacral spinal cord levels, ascend ipsilaterally in the gracile fasciculus, and terminate in the gracile nucleus. These are part of the postsynaptic–dorsal column system.

Synonym(s): fibrae spinogracilesTA

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.