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The epiglottis is a leaf-shaped flap in the throat that prevents food and water from entering the trachea and the lungs. Learn about its anatomy, development, variation, role in swallowing and speech, and possible problems such as epiglottitis and aspiration.
Epiglottitis is the inflammation of the epiglottis, a flap that prevents food entering the windpipe. Symptoms include fever, sore throat, difficulty swallowing, drooling, and stridor. It is usually caused by bacterial infection and requires urgent airway management and antibiotics.
In about four people out of five, there is a connecting branch between the inferior laryngeal nerve, a branch of the RLN, and the internal laryngeal nerve, a branch of the superior laryngeal nerve. This is commonly called the anastomosis of Galen ( Latin : ansa galeni ), even though anastomosis usually refers to a blood vessel , [ 12 ] [ 13 ...
Laryngospasm is an involuntary spasm of the vocal cords that can block the airway and cause suffocation. It can be triggered by water, mucus, blood or other substances, and may be associated with reflux, asthma, surgery or neurological diseases.
Learn about the laryngeal vestibule, a triangular cavity in the larynx above the vestibular fold and below the vocal fold. It contains the vestibular folds and the laryngeal ventricles, and is an opening to the lateral wall of the larynx.
Vestibular fold, also known as plica vestibularis, is a mucous membrane fold in the larynx that helps with breathing and swallowing. It may also be used for some types of singing and speech, such as Tuvan throat singing and metal growling.
Reinke's edema is a benign condition that causes fluid to collect in the Reinke's space of the vocal cords, leading to hoarseness and low voice. It is mainly caused by smoking and can be treated by eliminating the risk factors or surgery.
The pharynx is the part of the throat behind the mouth and nasal cavity, and above the esophagus and trachea. It is divided into three sections: nasopharynx, oropharynx, and laryngopharynx, and has various functions in respiration and digestion.