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Medical Term:

spinoperiaqueductal fibers


axons originating from cell bodies of the posterior horn, ascending as part of the contralateral anterolateral system, and terminating in the periaqueductal gray of the mesencephalon; involved in descending pathways for pain suppression.

Synonym(s): fibrae spinoperiaqueductalesTA

See Also: spinomesencephalic fibers

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.