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Alpha cell

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Title: Alpha cell  
Author: World Heritage Encyclopedia
Language: English
Subject: Beta cell, Pancreas, Glucagonoma, Oxyphil cell (parathyroid), Follicular cell
Collection: Peptide Hormone Secreting Cells
Publisher: World Heritage Encyclopedia

Alpha cell

Alpha cell
Pancreatic islets (islets of Langerhans).
Code TH H3.
Anatomical terminology

Alpha cells (more commonly alpha-cells or α-cells) are endocrine cells in the pancreatic islets of the pancreas. They make up to 20% of the human islet cells synthesizing and secreting the peptide hormone glucagon, which elevates the glucose levels in the blood.[1]


  • Functions 1
  • See also 2
  • External links 3
  • References 4


To elevate glucose levels, glucagon binds to receptors on electron microscope, alpha cells can be identified by their characteristic granules with a large dense core and a small white halo.

See also

External links


  1. ^ Kerr, J B (2000). Atlas of functional histology. Uk: Mosby. p. 309.  

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