Glossary

Dysphagia	Swallowing disorders. [Dr. Jerilyn Logemann: dysphagia is “any diﬃculty in moving food from the mouth to the stomach.”]
Deglutition	Swallowing
Penetration	Entry of food or liquid into the larynx at some level down to but not below the true vocal cords
Aspiration	Entrance of anything ingested by mouth, secretions (saliva or mucus), or reﬂuxed or regurgitated stomach contents into the laryngeal vestibule and below the level of the true vocal folds.
Silent Aspiration	Penetration of food, liquid, or saliva to the subglottic area without the elicitation of a cough.
Mastication	Chewing
Bolus	Cohesive mass of food or liquid to be swallowed