Definition:
glottis (GLAH-tis)
The middle part of the larynx; the area where the vocal cords are located.
Enlarge Anatomy of the larynx; drawing shows the epiglottis, supraglottis, glottis, subglottis, and vocal cords. Also shown are the tongue, trachea, and esophagus.

Anatomy of the larynx. The three parts of the larynx are the supraglottis (including the epiglottis), the glottis (including the vocal cords), and the subglottis.