Rima glottidis

Rima Glottidis

The Rima Glottidis is the opening between the vocal cords and the glottis. It is the narrowest portion of the larynx and plays a crucial role in phonation (the production of speech sounds) and breathing.

Anatomy

The Rima Glottidis is divided into two parts: the anterior Rima Vestibuli and the posterior Rima Respiratoria. The Rima Vestibuli is bound by the vestibular folds, while the Rima Respiratoria is bound by the vocal folds.

Function

The primary function of the Rima Glottidis is to control airflow in and out of the lungs during respiration. It also plays a key role in phonation, as the size and shape of the Rima Glottidis can be adjusted to modulate the pitch and volume of the voice.

Clinical Significance

Abnormalities or injuries to the Rima Glottidis can lead to a variety of voice disorders, including hoarseness, dysphonia, and aphonia. In severe cases, obstruction of the Rima Glottidis can cause stridor and potentially life-threatening airway obstruction.

See Also

• Larynx
• Vocal cords
• Glottis
• Phonation
• Respiration

References

Rima glottidis Resources
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