What is achalasia? Achalasia is a disorder of the primary motility of the esophagus characterized by the loss of peristalsis and increased tonicity plus failure of the lower esophageal sphincter (LES) relaxation in response to swallowing. Epidemiology It has a worldwide prevalence of 6 to 10 per 100,000 inhabitants per year. Average age of diagnosis … Leer más Achalasia

Esophagus (Anatomy and Histology)

Inervación del esófago

Definition It is an organ that is part of the digestive system, it is characterized as a muscular cylindrical duct that carries food from the oropharynx to the stomach, this being its main function. Function Transport food from the oral cavity to the stomach. Anatomy Generalities: Anatomically adult esophagus is characterized by having a length … Leer más Esophagus (Anatomy and Histology)