when antisera specific against bovine pp ( bpp ) were used , immunoreactive parenchymal cells were observed in the endocrine pancreas and in the gastro-intestinal tract of the teleost bony fish cottus scorpius , as well as in the pancreas of the elasmobranchian cartilaginous fish squalus acanthias .
C0022131
endocrine pancreas
C0030274
pancreas