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Updated: Aug 8, 2026
Characterization of Thymic Settling Progenitors in the Mouse Embryo Using In Vivo and In Vitro Assays
Published on: June 9, 2015
Endocrine-like cells in the chick embryo thymus express ultrastructural features of piecemeal degranulation
Enrico Crivellato1, Beatrice Nico, Domenico Ribatti
1Department of Medical and Morphological Researches, Section of Anatomy, University of Udine School of Medicine, Udine, Italy. enrico.crivellato@uniud.it
Abstract:
The endocrine-like cells of the chick embryo thymus were studied by transmission electron microscopy and a highly characteristic pattern of cell secretion referred to as piecemeal degranulation (PMD) was identified. This is the first description of PMD in embryonic cells.
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