what does normal mucosa mean
The mucosa of the normal esophagus is composed of squamous cells similar to those of the skin or mouth. The normal squamous mucosal surface appearswhitish-pink in color, contrasting sharply with the salmon pink to red appearance of the gastric mucosa, which is composed of columnar cells.igure 1. Location of the esophagus in the body. Barrett's Esophagus: Introduction Barrett's esophagus is a condition in which columnar cells replace the usual squamous cell in the mucosa of theesophagus. The condition is recognized as a complication of gastroesophageal reflux disease.