Antral and esophageal rimple: a normal variation.
The occurrence of fine antral and esophageal rimpling appears to be the result of contractions of the muscularis mucosa. The lack of persistence during distention is compatible with this conclusion. The folds have no pathologic significance.
D004947:Esophagus / Q000000981:diagnostic imaging*; D005753:Gastric Mucosa / Q000000981:diagnostic imaging; D006801:Humans; D009092:Mucous Membrane / Q000000981:diagnostic imaging; D011706:Pyloric Antrum / Q000000981:diagnostic imaging*; D011859:Radiography