Where do the axons from first order neurons in the dorsal column terminate?
Understand the Problem
The question is asking for the termination point of axons from first order neurons in the dorsal column pathway, which is relevant in the context of sensory pathways in the nervous system.
Answer
Lower medulla, at the gracile and cuneate nuclei.
The axons from first order neurons in the dorsal column terminate by contacting second-order neurons in the gracile and cuneate nuclei in the lower medulla.
Answer for screen readers
The axons from first order neurons in the dorsal column terminate by contacting second-order neurons in the gracile and cuneate nuclei in the lower medulla.
More Information
The termination of first-order neurons in the gracile and cuneate nuclei is a crucial step for transmitting sensory information like touch and proprioception through the dorsal column–medial lemniscus pathway.
Tips
A common mistake is forgetting that these neurons terminate in the medulla, rather than in higher or lower parts of the spinal cord.
Sources
- Dorsal column–medial lemniscus pathway - Wikipedia - en.wikipedia.org
- Sensory Pathways | Anatomy - Lumen Learning - courses.lumenlearning.com
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