Definitions

1. noun

a rare disorder of the esophagus in which there is difficulty in swallowing due to spasms of the smooth muscle layer of the esophagus, often leading to regurgitation of food.

“The doctor diagnosed the patient with achalasia, a condition that made it hard for her to swallow even small amounts of food.”

2. noun

a condition of the esophagus characterized by difficulty in swallowing due to the failure of the lower esophageal sphincter to relax.

“Achalasia requires regular treatment to prevent serious complications.”