https://github.com/geneontology/go-ontology/issues/11255#issuecomment-426191045

The regulated release of proinsulin from secretory granules accompanied by cleavage of proinsulin to form mature insulin. In vertebrates, insulin is secreted from B granules in the B cells of the vertebrate pancreas and from insulin-producing cells in insects.

biological_process

GO:0030073

http://purl.obolibrary.org/obo/uberon.owl, http://purl.obolibrary.org/obo/go.owl, http://purl.obolibrary.org/obo/cl.owl

• insulin secreting cell
• endocrine pancreas