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Goblet and Secretory Cells
Colored transmission electron micrograph of a section through a goblet cell and secretory cells of the duodenum, part of the small intestine.

  • Goblet cells (pink & blue) secrete mucus which neutralizes stomach acid.
  • Mucigen granules (circular objects, at upper center) combine with water to form the mucus.
  • On either side of the goblet cell are the secretory cells whose secretions help in the digestive process.
  • The microvilli (green hair- like structures, upper frame) serve to increase the secretory capacity of the secretory cells by increasing their surface area. 

CREDIT: Science Photo

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