Final answer:
True. The axons of the nucleus gracilis and cuneatus are called internal arcuate fibers before decussating and then referred to as the medial lemniscus after decussation.
Step-by-step explanation:
True. The axons of the nucleus gracilis and cuneatus are termed internal arcuate fibers before decussating. After decussation, these fibers are referred to as the medial lemniscus.
The medial lemniscus is a fiber tract of the dorsal column system that extends from the nuclei gracilis and cuneatus to the thalamus.