Definition of islets of Langerhans in English:

islets of Langerhans

Syllabification: is·lets of Lang·er·hans
Pronunciation: /ˈlaNGərˌhanz, ˈläNGərˌhäns
(also islands of Langerhans)


Groups of pancreatic cells secreting insulin and glucagon.
More example sentences
  • 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.


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

Definition of islets of Langerhans in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day demoralize
Pronunciation: dəˈmôrəˌlīz
cause (someone) to lose confidence or hope; dispirit