disorders of swallowing, dysphagia. head side view. the path of food, the act of swallowing.

act cancer catheter cell chronic conditions diagnosis diffuse digestion digestive disease disorder disorders dysfunction dysphagia eosinophilic equipment esophageal esophagitis esophagus food function gastroenterology gastroesophageal gerd head health hernia hiatal jackhammer machine medical monitoring motility mouth movement nutcracker odynophagia oesophageal oral path patient peristalsis pharyngeal phase pressure problem procedure reflux rendering scleroderma sensor side spasm sphincter stomach stricture study swallow swallowing therapy topography treatment tube tumor view