PANCREAS • FREE-TRANSLATOR.COM • Definition of Pancreas

... indirectly with sensation, and the upper germ-layer may accordingly be called the sensory layer. The lower layer gives rise to the epithelium and the proper tissue of the alimentary canal and its derivatives, as the liver, lungs, pancreas, kidneys, thyroid, thymus, etc. These parts are all concerned in the processes of assimilation and dissimilation, and the lower layer may accordingly be called the trophic layer. Now between the upper or sensory layer and the lower or trophic layer there exists, in ...

— Form and Function - A Contribution to the History of Animal Morphology • E. S. (Edward Stuart) Russell