The postnatal occurrence of biogenic monoamines in pancreatic islets of golden hamsters.

Fluorescence histochemical studies in newborn and young golden hamster have revealed that some cells in the islets of Langerhans contain monoamine. These cells can be seen in newborns and up to ten day old animals, at least in three to five days old animals in the amine behaves like dopamine and is mostly stored in the A2-cells.