schematic of cellular composition of rat and human pancreatic islets; shows fraction of dorsal and ventral pancreas as well as insulin, glucagon, PP (pancreatic polypeptide), somatostatin, and ghrelin cells
Jakob Suckale, Michele Solimena
CC BY 3.0
Solimena Lab and Review Suckale Solimena 2008 Frontiers in Bioscience <a class="external mw-magiclink-pmid" rel="nofollow" href="//www.ncbi.nlm.nih.gov/pubmed/18508724?dopt=Abstract">PMID 18508724</a>, <a rel="nofollow" class="external text" href="http://precedings.nature.com/documents/1724/version/2">preprint PDF from Nature Precedings</a>