Bockman D E
Am J Anat. 1976 Sep;147(1):113-8. doi: 10.1002/aja.1001470111.
Wax reconstructions of zymogen-containing cells in rat 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.