Microscopically, the ulcer here is sharply demarcated, with normal gastric mucosa on the left falling away into a deep ulcer whose base contains infamed, necrotic debris.

• 显微镜下所示的是胃溃疡的黏膜面与正常的胃粘膜分界清楚，胃溃疡包含了较深的渗出层和坏死层。