Meaning of islets of Langerhans in English:

islets of Langerhans

Pronunciation /ˈlaŋəhanz/

plural noun

  • Groups of pancreatic cells secreting insulin and glucagon.

    ‘Neuroglobin mRNA was also present in adrenal cells and the cells of the pancreatic islets of Langerhans.’
    • ‘One of the actions of insulin, which is also secreted by the islets of Langerhans, is to activate a specific enzyme in the liver.’
    • ‘The pancreas is dotted with hormone-producing tissue called the islets of Langerhans, which contain alpha and beta cells.’
    • ‘Pancreatic islets of Langerhans produce bursts of electrical activity when exposed to stimulatory glucose levels.’
    • ‘Pancreatic hormones result from endocrine activity, as performed by the islets of Langerhans.’
    • ‘Early transplantation of pancreas with beta cells of islets of Langerhans is a complete cure for diabetes mellitus.’


Late 19th century named after Paul Langerhans (1847–88), the German anatomist who first described them.