Which plate derivatives give rise to association neurons?

Explore the Development of the Central Nervous System Test. Study with flashcards and multiple-choice questions featuring hints and explanations. Prepare effectively for your exam with confidence!

Multiple Choice

Which plate derivatives give rise to association neurons?

Explanation:
Association neurons come from the dorsal (alar) plate of the developing neural tube. The dorsal region differentiates into interneurons that reside in the dorsal horn and form circuits to process sensory information before it’s relayed to higher brain centers. By contrast, the ventral (basal) plate gives rise to motor neurons that project out to muscles. The floor plate acts as a signaling center to pattern the ventral neural tube, rather than producing association neurons.

Association neurons come from the dorsal (alar) plate of the developing neural tube. The dorsal region differentiates into interneurons that reside in the dorsal horn and form circuits to process sensory information before it’s relayed to higher brain centers. By contrast, the ventral (basal) plate gives rise to motor neurons that project out to muscles. The floor plate acts as a signaling center to pattern the ventral neural tube, rather than producing association neurons.

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