for localization of activity , pinch biopsy specimens of gastric mucosa from 6 subjects were taken from the greater and lesser curvatures within 2 cm of the gastroesophageal junction ( upper greater curvature and upper lesser curvature ) and within 2 cm of the pylorus ( lower greater curvature and lower lesser curvature ) .
C0038351
gastric
C0034196
pylorus