[Morphological changes in the endocrine pancreas of the rabbit after the administration of a Morus alba extract].

The authors examined the effect of an extract, obtained from the leaves of the plant Morus alba on beta-cells of the endocrine pancreas of a rabbit after subcutaneous and parenteral administration. The most manifested morphologic changes were observed after subcutaneous administration under the conditions of a chronic experiment. There were degranulation of beta-cells of the Langerhans islets of these animals developed at various degree and discovered by means of a light and electrone microscope.