Rima glottidis
Rima Glottidis
The Rima Glottidis (pronunciation: /ˈriːmə ɡlɒˈtɪdɪs/) is a term used in anatomy to describe the opening between the vocal cords in the larynx.
Etymology
The term "Rima Glottidis" is derived from the Latin word "Rima," meaning "crack" or "slit," and the Greek word "Glottis," which refers to the part of the larynx containing the vocal cords.
Anatomy
The Rima Glottidis is the narrowest part of the laryngeal cavity, located between the vocal cords. It changes in size and shape during phonation (the creation of sound) and respiration (breathing).
During phonation, the Rima Glottidis is closed as the vocal cords come together. This prevents air from escaping and allows for the production of sound. During respiration, the Rima Glottidis is open, allowing air to pass freely into and out of the lungs.
Related Terms
- Larynx: The hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals; the voice box.
- Vocal Cords: Also known as vocal folds, they are two bands of smooth muscle tissue found in the larynx (voice box). They vibrate to produce sound.
- Phonation: The process by which the vocal folds produce certain sounds through controlled, periodic vibration.
- Respiration: The action of breathing.
External links
- Medical encyclopedia article on Rima glottidis
- Wikipedia's article - Rima glottidis
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