Langerhans is a medical term used mainly as a proper noun (as in Langerhans islets or cells named after Paul Langerhans). It refers to a group of specialized cells in the pancreas and immune system, and to the German-derived surname of the scientist who first described them. In pronunciation, it behaves like a multi-syllabic scientific term with stress that can shift slightly by context, but generally falls on the third syllable in isolation.
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