oropharyngeal dysphagia

oropharyngeal dysphagia

[ôr′ōfərin′jē·əl]

difficulty in either the oral or pharyngeal phases of swallowing, such as in chewing, initiating the swallow, or propelling the bolus through the pharynx to the esophagus. It is caused by multiple neurologic, structural, or other medical conditions.

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dysphagia

difficulty in swallowing.

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cricopharyngeal dysphagia

see cricopharyngeal achalasia.

esophageal dysphagia

difficulty in swallowing due to esophageal malfunction.

gastroesophageal dysphagia

impaired passage of the bolus through the caudal esophageal sphincter.

neuropathic dysphagia

may be caused by lesions of the glossopharyngeal or vagus nerves or associated nuclei of the caudal medulla oblongata.

oropharyngeal dysphagia

abnormalities in mastication and pharyngeal contraction may be caused by hypoglossal nerve dysfunction, polyneuropathy, polymyositis, meningitis, brainstem lesions and generalized neuromuscular disease.