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Introduction Nearly all the diseases that can involve the ear also occur in other sites of the body. However, some of these diseases either have a predilection for the ear or pose special problems when occurring at this site. Only…
Normal Anatomy The major salivary glands are the paired parotid, submandibular (submaxillary), and sublingual glands. The parotid gland weighs 14–28 g, the submandibular gland weighs 7–8 g, and the sublingual gland weighs 3 g. The main duct of the parotid gland (Stensen duct)…
Normal Anatomy In most respects, the microscopic features of the mandible and maxilla differ in no significant way from those of any other bones. Their peculiarity is derived from their close proximity to the mucosal surface of the oral cavity…
Oral Cavity and Oropharynx Normal Anatomy The oral cavity and oropharyngeal region represent the upper portion of the digestive tract; in addition, the oropharynx constitutes a portion of the upper respiratory tract. The oropharynx and hypopharynx share many of the…