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Keywords:

  • endocrine-like cells;
  • piecemeal degranulation;
  • thymus;
  • chick embryo;
  • electron microscopy

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. © 2005 Wiley-Liss, Inc.