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Ear tube - Three paired(1 pair is the most important...

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Respiratory System Ear tube (Myringotomy Tubes) Parts of the Pharynx Oropharynx * the middle portion of the pharynx containg the opening from the mouth called the fauces . * Serves as a common passageway for air, food, and drink. * Lined with nonkeratinized squamous epithelium that’s more suitable for abrasion from the coarse food particles. * Contains the Lingual and Palatine tonsils Parts of the Pharynx Laryngopharynx * Extends downward from the hyoid bone and connects with the esophagus (food tube) in back and the larynx (voice box) in front. * Lined with nonkeratinized squamous epithelium. * Has both respiratory and digestive function. Pharyngitis Palate Edema Due To Pharyngitis Larynx (Voicebox) * A short passageway that connects the pharynx with the trachea. Anatomy * The walls are composed of nine pieces of cartilage * three single * thyroid, epiglottis, and cricoid cartilage
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Unformatted text preview: * Three paired (1 pair is the most important) * arytenoid cartilage Laryngeal Cartilages * Thyroid cartilage (Adam’s apple) * consist of hyaline catilage and forms the front of the larynx and gives it its triangular shape. * Epiglottis * large leaf shaped piece of elastic cartilage covered by epithelium lying over the top of the larnyx. * During swallowing, the epiglottis covers the glottis (the passageway leading to the true and false vocal cords) so that food does not enter the lungs, thereby routing it to the esophagus. Laryngeal Cartilages (cont) * Cricoid cartilage * is a ring of hyaline cartilage attached to the first ring of cartilage of the trachea. * Arytenoid cartilage * mostly hyaline cartilage located above the cricoid cartilage...
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