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.
From the inside out they are called: mucosa, submucosa, muscularis, and serosa. The mucosa is the innermost layer, and functions in absorption and secretion. It is composed of epithelium cells and a thin connective tissue. The mucosa contains specialized goblet cells that secrete sticky mucus throughout the GI tract.