part_of part of part of has part has part has_part contributes to morphology of material entity material entity insulin secreting cell somatostatin secreting cell type A enteroendocrine cell islet of Langerhans http://upload.wikimedia.org/wikipedia/commons/9/99/Gray1105.png GAID:324 NCIT:C12608 island of Langerhans pancreatic insula VHOG:0000646 Wikipedia:Islets_of_Langerhans The clusters of hormone-producing cells that are scattered throughout the pancreas. pancreatic islet UBERON:0000006 BTO:0000991 EV:0100130 uberon MIAA:0000076 MAT:0000076 island of pancreas AAO:0010406 UMLS:C0022131 CALOHA:TS-0741 MESH:D007515 FMA:16016 Mammals, birds, reptiles and amphibians have a pancreas with similar histology and mode of development, while in some fish, the islet cells are segregated as Brockmann bodies.[well established][VHOG] MA:0000127 EFO:0000856 Anatomical structure which consists of glands developed from pancreatic ducts in the larvae and secrete insulin.[AAO] XAO:0000159 islets of Langerhans EMAPA:32927 A primitive exocrine pancreas can be found in holocephalan cartilaginous fish; a pancreatic duct directly ending in the gut lumen is connected to a glandular structure made of exocrine cells and associated with cell islets, which comprises three different hormone-producing cell types: insulin, somatostatin and glucagon (Yui and Fujita, 1986) endocrine pancreas endoderm-derived structure cell cluster