Anatomy & Histology · single question
All of the following are derived from ectomesenchyme (neural crest) EXCEPT:
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Correct answer: D. Buccal mucosa epithelium
- A. Dentin is formed by odontoblasts, which differentiate from dental papilla ectomesenchyme.
- B. The dental pulp derives directly from the dental papilla — ectomesenchyme.
- C. Cementoblasts arise from dental follicle ectomesenchyme.
- D. Correct. Oral mucosal epithelium, including the buccal mucosa, is derived from surface ECTODERM (stomodeal ectoderm), not ectomesenchyme.
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