The laryngeal ventricle is a small slit-like recess on each side of the larynx between the vestibular fold above and the vocal fold below. From its front end, a blind pouch called the laryngeal saccule extends upwards. The saccule contains many mucous glands that lubricate the vocal folds.
| Location | Each side of the middle part of the larynx, between the vestibular and vocal folds. |
|---|---|
| Parts |
|
| Nerve Supply | Internal laryngeal nerve (sensory, branch of the superior laryngeal nerve from the vagus) |
| Blood Supply | Superior laryngeal artery |
| Lymphatic drainage |
|
Allows the vocal folds to vibrate freely, and its saccule secretes mucus that lubricates the vocal folds during voice use.
Abnormal air-filled dilation of the saccule forms a laryngocele, which can bulge into the neck through the thyrohyoid membrane, particularly in people who repeatedly raise pressure in the larynx such as wind instrument players and glass blowers. Cancers in the ventricle can be hidden from view on simple examination.
An air-filled dilation of the saccule that may lie inside the larynx, extend into the neck, or both. It can cause hoarseness, a neck swelling or airway obstruction if infected.
A mucus-filled saccule caused by a blocked opening. It may present with voice change or, in infants, stridor.
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