Laryngeal inlet

Laryngeal Inlet

The Laryngeal Inlet is an important anatomical structure located in the human body. It is the opening that connects the pharynx and the larynx, allowing for the passage of air into the respiratory system.

Etymology

The term "Laryngeal" is derived from the Greek word "larynx," which means "throat," while "inlet" is an English word that refers to an entrance or opening.

Anatomy

The Laryngeal Inlet is a part of the larynx, which is a tube-shaped structure in the throat that serves as the entrance to the windpipe (trachea). The larynx is responsible for voice production, and the Laryngeal Inlet plays a crucial role in this process by allowing air to pass through.

The Laryngeal Inlet is bordered by several structures, including the epiglottis, the aryepiglottic folds, and the arytenoid cartilages. The epiglottis is a leaf-shaped flap of cartilage located at the base of the tongue, which prevents food and liquid from entering the windpipe. The aryepiglottic folds are a pair of folds of mucous membrane that extend from the lateral borders of the epiglottis to the arytenoid cartilages. The arytenoid cartilages are a pair of small three-sided pyramids which form part of the larynx, to which the vocal cords are attached.

Function

The primary function of the Laryngeal Inlet is to allow the passage of air from the pharynx into the larynx and then into the trachea. This is essential for breathing and voice production. During swallowing, the Laryngeal Inlet closes to prevent food and liquid from entering the larynx and trachea, thus protecting the airway.

Related Terms

• Pharynx
• Larynx
• Epiglottis
• Aryepiglottic folds
• Arytenoid cartilages

See Also

• Human anatomy
• Respiratory system
• Voice production

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