Maximum oral structures are having their origin from___________________?
Correct answer: A. Ectoderm
- A. Ectoderm
- B. Mesoderm
- C. Endoderm
- D. None of the above
Explanation
Most oral epithelial structures arise from ectoderm, especially the lining of the oral cavity and derivatives of the stomodeum. Endoderm contributes mainly to more posterior pharyngeal regions, making ectoderm the best choice.
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