With the help of gomori aldehyde fuchsine stain , we can find three kinds cells in pancreas islet . there are yellow granules in a cell , purplish red granules in b cell and green or light gray granules in d cell 用gomori醛复红特殊染色法,见尼罗罗非鱼胰岛有三种细胞: a细胞胞质中有黄色颗粒; b细胞胞质中有紫红色的颗粒; d细胞胞质内有浅绿色或淡灰色的颗粒。