A condition in which the wall of the stomach is pulled in so that it is divided into two cavities, cardiac and pyloric.
The term given to the X-ray appearance of a stomach which is constricted in its middle part due either to spasm of the stomach muscle or to contraction of scar tissue from a gastric ulcer.
The division of the stomach (in the form of an hourglass) by a muscular constriction; often associated with gastric ulcer.