[A modification of Grimelius' method for the identification of apudocytes on semithin sections]

Modified Grimelius method of the apudocyte identification on the semithin sections is described and used for the study of the duodenum endocrine cells. The method gives the possibility to study the distribution of secretory granules in the endocrine cell cytoplasm and increases the possibilities of taking samples for the ultrastructural analysis of apudocytes.