The Esophagus EXPLAINED

The video explores the process of deglutition, focusing on the anatomy and function of the esophagus. It covers the transition of food from the pharynx to the stomach, detailing the roles of the upper and lower esophageal sphincters. The video explains the types of muscles involved, their innervation, and the structural layers of the esophagus. It also highlights the importance of the vagus nerve in controlling esophageal functions and the protective mechanisms against stomach acid.

What is the term used for the process of swallowing?

Describe the anatomical position of the esophagus in relation to the trachea.

What role do the tracheal cartilages play?

Explain the difference in muscle types found in the esophagus.

What is the function of the upper esophageal sphincter?

How does the vagus nerve influence the esophageal sphincters?

What is the significance of the squamocolumnar junction?

What is gastroesophageal reflux disease (GERD) and how is it related to the esophageal sphincters?

What happens to the lower esophageal sphincter when a bolus of food is present?

Describe the layers of muscle in the esophagus.