دراسة نسجية لجزء الافراز الخارجي في معـثكلة طائر ابو غرة

The exocrine portion of the pancreas in Abu Gura consist of many lobules. Each lobule is composed of acini with narrowed lumens. The acini consist of pyramidal cells. The acinar cells had spherical nuclei. The lumen of the acini is lined by the centroacinar cells, which are flat epithelial cells. The intercalated duct connects the centroacinar cells. The intercalated duct and interlobular ducts are lined by simple cuboidal epithelium which changed to simple columnar epithelium in the interlobular ducts. The lining epithelium of the dorsal, ventral and accessory ducts is composed of the simple columnar epithelium. The pancreas have three ducts.