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目的旨在从生物进化角度探讨生长抑素在胃肠胰系统、包括阑尾、胆囊和脾脏在内的分布情况。方法应用放射免疫分析法系统探测生长抑素在小鼠、狗、猴和胎儿阑尾、胆囊和脾脏的分布。结果探测结果显示在不同哺乳类动物阑尾、胆囊和脾脏内有大量生长抑素分布。在小鼠、狗阑尾内生长抑素含量间有显著性差异（Ｐ＜０．０５），在狗和胎儿阑尾内生长抑素含量间无显著性差异。生长抑索在狗的阑尾和回肠、空肠、盲肠间无显著性差异。结论：小鼠、狗和胎儿阑尾有大量生长抑素分布。狗、猴胆囊亦有生长抑素分布
The aim is to explore the distribution of somatostatin in the gastrointestinal pancreas system, including the appendix, gallbladder and spleen, from the perspective of biological evolution. Methods The distribution of somatostatin in appendix, gallbladder and spleen of mice, dogs, monkeys and fetuses was detected by radioimmunoassay. Results The detection results showed a large number of somatostatin distribution in different mammalian appendix, gallbladder and spleen. There was a significant difference in somatostatin content between dogs and dogs (P <0.05). There was no significant difference between somatostatin levels in dog and fetus appendix. Growth suppression cable in the dog’s appendix and ileum, jejunum, cecum no significant difference between. Conclusion: There is a large number of somatostatin distribution in mice, dogs and fetus appendix. Dogs, monkey gallbladder also have somatostatin distribution