Intro to Deglutition & the Pharyngeal Constrictors [OINAs]

The video tutorial explains the process of deglutition, or swallowing, focusing on the anatomy and function of the pharynx and related muscles. It covers the role of the soft palate in preventing food from entering the nasopharynx, the function of pharyngeal constrictor muscles in moving food through the pharynx, and the anatomy of the larynx and esophagus. The tutorial also details the innervation and blood supply of these muscles, emphasizing the coordinated action required for effective swallowing.

What is the term used for the process of swallowing?

Describe the pathway that the bolus of food takes during swallowing.

What role does the palatoglossus muscle play in swallowing?

What are the three components of the pharynx mentioned in the text?

Explain how the soft palate contributes to the swallowing process.

What happens if there is a failure of the muscles involved in swallowing?

How do the pharyngeal constrictor muscles function during swallowing?

Describe the role of the upper esophageal sphincter in the swallowing process.

What is the function of the epiglottis during swallowing?

Identify the main arteries that supply blood to the pharyngeal constrictor muscles.