dysphagia. swallowing difficulty, aspiration

dysphagia swallowing difficulty esophageal aspiration cross head esophagus trachea nasal cavity tongue epiglottis food bolus unhealthy people inhalation medical diagnosis oropharyngeal reflex pharyngeal muscle motility disorder stroke deglutition cricopharyngeal gastroesophageal reflux disease gerd achalasia therapy cancer cough soft palate nasopharynx poster treatment problem inflammation esophagectomy heartburn gastrointestinal digestive tract stricture mouth muscular dystrophy oesophageal acid eosinophils epiglottitis exam detailed vector isometric flat risk human healthy fluid drinking schematic diagram organ cartoon nose hand