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Medical Term:

trigeminal tubercle


a longitudinal prominence on the posterolateral surface of the medulla oblongata along the lateral border of the cuneate tubercle; it is the surface profile of the spinal tract of trigeminal nerve, continuous caudally with the posterolateral (dorsolateral) fasciculus (Lissauer tract).

Synonym(s): tuberculum trigeminaleTA, ashen tubercle, gray tubercle, Rolando tubercle

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