Duodenal Bulb and Mucosal Surface of Duodenum With Light Micrograph of the Duodenum showing a Plica Circularis and Light Micrograph of the Mucosa and Submucosa of the Duodenum
Operative findings. The prolapse of the gastric antrum | Open-i
LARGE DUODENAL BULB ULCER - Endoscopic appearance - YouTube