Esophageal and gastric mucosa

The esophageal and gastric mucosa are the innermost cellular linings of the esophagus and stomach, respectively. The esophageal mucosa is lined by stratified squamous epithelium and serves as a protective barrier against mechanical injury and acid exposure, while the gastric mucosa is lined by columnar epithelium that secretes mucus, acid, and various digestive enzymes[3][5][7]. Both play critical roles in protecting underlying tissues, facilitating digestion, and mediating immune defense. Diseases involving these tissues include reflux esophagitis, gastritis, ulcers, and cancer. Additional clarification: This entry is not a canonical drug target but a general histological tissue type comprising multiple cell types and molecular targets. Therapeutic and diagnostic interventions generally focus on molecular components (e.g., H^+/K^+-ATPase in parietal cells), not "mucosa" as an entity[3][5][7].

Other names

Esophageal mucosaGastric mucosaMucosal lining of esophagus and stomach

Acid suppression, Mucosal protection, Barrier enhancement, Anti-inflammatory actions