complex regional pain syndrome crps is a painful and long lasting condition crps usually causes severe constant burning pain in the affected arm or leg the cause of crps remains unknown however this condition can be triggered by damage to nerve fibers in tissue that has been injured smoking is a risk factor for the condition
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.
Proceeding from the inside (i.e., abluminally from the lumen): 1  Mucosa -- innermost layer (closest to the lumen), the soft, squishy lining of the tract, consisting of epithelium, lamina propria, and muscularis mucosae.  Submucosa -- connective tissue supporting (outside, deep to) the mucosa.