swallowing. process of deglutition

anatomical anatomy aspiration biology biopsy bleeding body bolus cancer cartilage cavity choking cricoid deglutition diagnose diagram digestion digestive disease disorder dysphagia eating education epiglottis esophagus food function gastric gastrointestinal gerd glottis health healthy human infection inside laryngeal larynx man medical medicine model movement nasal nasopharynx organ palate peristalsis pharyngeal pharynx poster process science soft structure stuck surgery surgical swallow swallowing symptom test throat tongue trachea tract treatment tumor ulcer vector windpipe