(1) It is important to remove any mucous covering the mucosa to allow adequate visualization.(2) Sedation may be necessary for appraisal of the rectal mucosa in an anxious child presenting for the first time.(3) It's no better at pain relief and no easier on the gastrointestinal mucosa than other drugs in its class, they say.(4) Gluten causes the intestinal mucosa to lose its villous structure and absorptive capacity.(5) The buccal mucosa is the most common site of involvement in the oral cavity.(6) Lesions of the oral mucosa may be seen on the gingiva, buccal mucosa , palate, tongue, and lips.(7) A continuous film covers the mucosa of the lungs, extending from the alveoli to the larger airways.(8) This leads to a more prolonged exposure of the esophageal mucosa to gastric fluid than normal.(9) the intestinal mucosa(10) It can have an irritant effect on the gastrointestinal mucosa , and in large doses will act as an emetic.(11) Several specialised cells in the gastric mucosa contribute to the control of acid secretion.(12) Many drugs enhance the damage that gastric fluid does to the esophageal mucosa .(13) The discoloration can also occur in nasal, bronchial mucosa , fingernails and toenails.(14) Solitary lymph nodules may be present in the mucosa and in the connective tissue around the cartilage.(15) Target organs in this respect include nasal or oral cavity, lung, oesophagus, stomach mucosa , duodenum or skin.(16) Gastroesophageal endoscopy provides the best assessment of the esophageal mucosa .