👉 The term "eusphinctus" is a Latin word that describes the structure of the muscle or membrane in the lower part of the esophagus, specifically around the pharynx and larynx. It includes both muscular and connective tissues, including the muscles of the lower esophageal sphincter (LES) and the muscles of the upper esophageal sphincter (UES). This structure plays a crucial role in controlling the movement of food through the esophagus
