可见一正常胰岛被外分泌腺胰腺的腺泡包绕。胰岛包含分泌胰高血糖素的α（A）细胞 ，分泌胰岛素的β（B）细胞和分泌生长抑素的δ（D）细胞。
Here is a normal pancreatic islet of Langerhans surrounded by normal exocrine pancreatic acinar tissue. The islets contain alpha cells secreting glucagon, beta cells secreting insulin, and delta cells secreting somatostatin.
