Islets are cells found in clusters throughout the pancreas.The islets themselves contain beta cells, which make insulin, the hormone that helps the body use glucose for energy.

• 胰岛细胞群聚在整个胰脏中，胰岛本身含有贝他细胞，这些细胞会制造胰岛素，这是协助身体利用葡萄糖调控能量的荷尔蒙。