Bockman D E
Cell Tissue Res. 1978 Jun 8;189(3):497-500. doi: 10.1007/BF00209135.
Wax reconstructions of zymogen granule-containing cells in dog show the arrangement of the exocrine pancreas to be a branching, anastomosing system of tubules which vary in diameter and end blindly. This arrangement is not that of a true acinar gland.