stomach /stom·ach/ (stum´ak) the musculomembranous expansion of the alimentary canal between the esophagus and duodenum, consisting of a cardiac part, a fundus, a body, and a pyloric part. Its (gastric) glands secrete the gastric juice which, when mixed with food, forms chyme, a semifluid substance suitable for further digestion by the intestine. stom´achalstomach´ic
cascade stomach an atypical form of hourglass stomach, characterized radiographically by a drawing up of the posterior wall; an opaque medium first fills the upper sac and then cascades into the lower sac.
hourglass stomach one more or less completely divided into two parts, resembling an hourglass in shape, due to scarring which complicates chronic gastric ulcer. 
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Hourglass stomach.
leather bottle stomach linitis plastica.
| cascade stomach n. A stomach in which the upper posterior wall is pushed forward, creating an upper portion that fills until sufficient volume is present to spill into the antrum. |
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