the labeling index of the nuclei of the centroacinar cells was 2.5 times higher than that of the acinar epithelium and amounted to 0.48 plus or minus 0.17 % , whereas the epithelium of the intercalary ducts had an extremely low labeling index : 0.09 plus or minus 0.09 % , compared with 0.27 plus or minus 0.09 % for the intralobular ducts and 0.50 plus or minus 0.08 % for the interlobular ducts .
C1512086
epithelium
C0687028
ducts