The nasendoscopic appearance of the normal palato-pharyngeal valve.
D019723:Endoscopes; D004724:Endoscopy; D006801:Humans; D009305:Nasopharynx; D010159:Palate / Q000033:anatomy & histology* / Q000502:physiology; D010614:Pharynx / Q000033:anatomy & histology* / Q000502:physiology; D013060:Speech