The thyroid gland descends in the neck ventrally to the hyoid bone and laryngeal cartilages via which duct?

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Study for the Pharyngeal Apparatus Test. Dive into multiple choice questions with detailed explanations and hints. Prepare effectively for your exam!

Multiple Choice

The thyroid gland descends in the neck ventrally to the hyoid bone and laryngeal cartilages via which duct?

Explanation:
During development the thyroid gland begins at the base of the tongue (foramen cecum) and migrates downward along the midline to its final position in front of the trachea. It moves ventrally, passing in front of the hyoid bone and laryngeal cartilages. This descent occurs through a narrow canal called the thyroglossal duct, which normally disappears after the thyroid has reached its place. If remnants of this duct persist, they can form a thyroglossal duct cyst or fistula. So the duct guiding this ventral descent is the thyroglossal duct. The other ducts listed are not involved in thyroid migration.

During development the thyroid gland begins at the base of the tongue (foramen cecum) and migrates downward along the midline to its final position in front of the trachea. It moves ventrally, passing in front of the hyoid bone and laryngeal cartilages. This descent occurs through a narrow canal called the thyroglossal duct, which normally disappears after the thyroid has reached its place. If remnants of this duct persist, they can form a thyroglossal duct cyst or fistula. So the duct guiding this ventral descent is the thyroglossal duct. The other ducts listed are not involved in thyroid migration.

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