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furrow formed temporarily between longitudinal rugae of the gastric mucosa along the lesser curvature during swallowing; observed radiographically and endoscopically, it is formed because of the firm attachment of the gastric mucosa to the muscular layer, which is devoid of an oblique layer at this site; said to form a passageway favored by saliva and small quantities of masticated food and other fluids as they flow from cardia to gastroduodenal junction.
Farlex Partner Medical Dictionary © Farlex 2012
A longitudinal groove extending from the esophagus to the pylorus on the inner surface of the stomach following the lesser curvature.
See also: canal
Medical Dictionary, © 2009 Farlex and Partners