Endocrine cells in the antro-pyloric mucosa of the stomach

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A type of endocrine-like cell displaying all morphological features of protein secreting cells, has been found in the antro-pyloric mucosa of the stomach of mammals. Light and electron microscopy observations provide a sharp distinction of this cell from the 5-hydroxytryptamine-storing enterochromaffin cell. Its possible involvement in the secretion of a protein or peptide hormone is discussed.

This investigation was supported by grant N. 115/1139/991 from the Italian Consiglio Nazionale delle Ricerche.