1. 消化系统疾病 diseases of digestive system

2. 一、实验目的（ Aims ） 二、实验内容（ Contents ） 三、实验报告（ Practice Report ）

3. 实验目的（ Aims ） To grasp pathological changes and complication of peptic ulcer To grasp the pathological changes of viral hepatitis and characteristics of each type hepatitis To grasp the pathological characteristics and clinic pathological relationship of portal cirrhosis of liver To be understand the pathological characteristics of digestive tube tumors

4. 实验内容（ contents ） Gross specimenTissue section Chronic gastric ulcer Duodenal ulcerChronic active hepatitis Acute phlegmonous appendicitisHepatic cirrhosis Acute gangrenous appendicitis Acute severe hepatitis Subacute severe hepatitis Portal cirrhosis Postnecrotic cirrhosis Gastric cancer Primary hepatic carcinoma

5. Carcinoma of esophagus

6. Chronic atrophic gastritis

7. Peptic ulcers

8. Gastric carcinoma

10. Villous adenoma of rectum

11. Adenomatous polyposis of colon and colonic carcinoma

12. Acute severe hepatitis

13. Portal cirrhosis

14. Carcinoma of the liver

15. 实验报告（ Practice Report ） Draw anyone tissue section Description pathological change feature Make the pathological diagnosis