The centroacinar cells and islet of langerlans of pancreas are poorly developed.The lobulation is not distinct in hepar and pancreas.

• 肝脏中色素细胞发达并含大量深色颗粒，胰脏泡心细胞较少且胰岛不发达，肝脏小叶和胰脏小叶界限不清晰。