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Questions and Answers
What leads to the formation of the Primary epithelial band in the embryo?
What leads to the formation of the Primary epithelial band in the embryo?
- Basal cells of the pharyngeal endoderm
- Basal cells of the oral ectoderm (correct)
- Neural crest cells
- Mesenchymal cells of the oral ectoderm
At what stage does the formation of the Primary epithelial band occur in the embryo?
At what stage does the formation of the Primary epithelial band occur in the embryo?
- About 6 weeks old (correct)
- About 10 weeks old
- About 4 weeks old
- About 8 weeks old
Where does the Primary epithelial band invade during its formation?
Where does the Primary epithelial band invade during its formation?
- Pharyngeal endoderm along each of the arches dental future
- Underlying ectomesenchyme along each of the arches dental future (correct)
- Overlying ectomesenchyme along each of the arches dental future
- Oral ectoderm along each of the arches dental future
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