Thyroid gland develops rom________________?
Correct answer: A. Thyroglossal duct
- A. Thyroglossal duct
- B. Rathke's pouch
- C. Notochordal process
- D. Embryonal disc
Explanation
The thyroid begins as an endodermal diverticulum that descends from the floor of the primitive pharynx through the thyroglossal duct. The duct normally disappears after guiding this descent.
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