Internal arcuate fibers - definition

a fiber bundle that extends across the midline of the medulla. Many of the fibers consist of axons traveling from the nucleus gracilis and nucleus cuneatus to the contralateral side of the medulla where they will begin traveling up to the cortex as part of the medial lemniscus.

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2-Minute Neuroscience: Touch and the Dorsal Columns-Medial Lemniscus

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