What forms the superior border of the glottic opening?

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Multiple Choice

What forms the superior border of the glottic opening?

Explanation:
The glottic opening (rima glottidis) is the space between the true vocal cords as they sit in the larynx. Its upper boundary is formed by the edge of the epiglottis, which sits just above the laryngeal inlet and helps define the top limit of the opening. This relationship is why swallowing—when the epiglottis folds down to cover the glottis—directly involves shaping the boundary at the top of the glottic opening. The other borders are formed by adjacent laryngeal structures: the front by the thyroid cartilage where the vocal cords attach, and the back by the arytenoid cartilages. The thyrohyoid region or hyoid bone provides support but does not form the glottic opening’s border.

The glottic opening (rima glottidis) is the space between the true vocal cords as they sit in the larynx. Its upper boundary is formed by the edge of the epiglottis, which sits just above the laryngeal inlet and helps define the top limit of the opening. This relationship is why swallowing—when the epiglottis folds down to cover the glottis—directly involves shaping the boundary at the top of the glottic opening. The other borders are formed by adjacent laryngeal structures: the front by the thyroid cartilage where the vocal cords attach, and the back by the arytenoid cartilages. The thyrohyoid region or hyoid bone provides support but does not form the glottic opening’s border.

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