In the laryngeal vestibule, which structure forms the bottom boundary?

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Multiple Choice

In the laryngeal vestibule, which structure forms the bottom boundary?

Explanation:
The key idea is how the laryngeal vestibule is bounded. The vestibule is the space just above the false vocal cords, opening toward the laryngeal inlet. Its lower boundary is formed by the vestibular folds, also known as the false vocal cords. Below these folds lies the laryngeal ventricle, which contains the true vocal cords. The true vocal cords form the boundary of the glottis, not the vestibule. So the bottom boundary of the laryngeal vestibule is the vestibular folds (false vocal cords).

The key idea is how the laryngeal vestibule is bounded. The vestibule is the space just above the false vocal cords, opening toward the laryngeal inlet. Its lower boundary is formed by the vestibular folds, also known as the false vocal cords. Below these folds lies the laryngeal ventricle, which contains the true vocal cords. The true vocal cords form the boundary of the glottis, not the vestibule. So the bottom boundary of the laryngeal vestibule is the vestibular folds (false vocal cords).

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