Embryology MCQ 0007

Which of the following respiratory system components is derived from neural crest?

1. Endothelial cells
2. Epithelium of primary bronchi
3. Laryngeal cartilage
4. Tracheal glands

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The Correct option is C

Explanation with High Yield Facts:

• Laryngeal cartilages (e.g., the thyroid, cricoid, arytenoid cartilages) are derived from neural crest.
• The endothelial cells in the simple squamous epithelium that lines the pulmonary capillaries are derived from visceral mesoderm.
• The epithelial lining of primary bronchi is derived from endoderm.
• Tracheal glands and epithelium both derive from endoderm.
• Type I pneumocytes are derived from endoderm.

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