Swallowing

oral preparatory

includes biting, chewing, salivation, or drinking to prepare bolus for swallowing

bolus

solid mass or liquid to be swallowed

bite and chew

what function does the mandible serve in oral preparatory stage

lip movement

what function does the face serve in oral preparatory stage

bolus manipulation

what function does the tongue serve in oral preparatory stage

oral transport

involving moving bolus from oral cavity toward pharynx

push bolus into pharynx

what function does tongue serve in oral transport stage

lip compression (OO)

what function does mouth serve in oral transport

close oral opening

what function does the mandible serve in oral transport stage

pharyngeal transport

involves moving bolus through pharynx to esophagus while protecting airways

close velopharyngeal port

what function does velum serve in pharyngeal transport

larynx

what muscle reflex pulls up and forward, pulls epiglottis down, closes glottis, and shuts off airway during pharyngeal transport stage

pharynx

what muscle reflex dilates to “catch” bolus and funnels toward esophagus through use of the stylopharyngeus during the pharyngeal transport stage

esophageal transport

involves moving bolus through the esophagus to stomach to begin process of digestion

deglutition

alternative term for swallowing

voluntary

are oral preparatory and oral transport voluntary or involuntary

involuntary

are pharyngeal transport and esophageal transport voluntary or involuntary