Which tissues arise from neural crest–derived mesenchyme?

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Get ready for the Tooth Development and Shedding Test. Utilize flashcards and multiple-choice questions with hints and explanations. Enhance your preparation and ace the exam effortlessly!

Multiple Choice

Which tissues arise from neural crest–derived mesenchyme?

Explanation:
Neural crest–derived mesenchyme forms the mesenchymal parts of the tooth: the dental papilla and the dental sac (follicle). The dental papilla becomes the dentin-pulp complex, while the dental sac gives the cementum, periodontal ligament, and surrounding supporting tissues. In contrast, enamel organ, stellate reticulum, and inner enamel epithelium come from the oral epithelium (ectoderm) and are responsible for enamel formation and its epithelial components, not mesenchymal derivatives. So, the tissues arising from neural crest–derived mesenchyme are the dental papilla and dental sac.

Neural crest–derived mesenchyme forms the mesenchymal parts of the tooth: the dental papilla and the dental sac (follicle). The dental papilla becomes the dentin-pulp complex, while the dental sac gives the cementum, periodontal ligament, and surrounding supporting tissues. In contrast, enamel organ, stellate reticulum, and inner enamel epithelium come from the oral epithelium (ectoderm) and are responsible for enamel formation and its epithelial components, not mesenchymal derivatives. So, the tissues arising from neural crest–derived mesenchyme are the dental papilla and dental sac.

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