Question

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. True or False?

Answer 1

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.