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Acute Peptic Ulcer
 

Notice that the inner lining of the stomach consists of a very thick mucosal layer consisting of tall rows of glandular cells running parallel to each other. The thick mucosa has a deep narrow gap extending to the bottom of the mucosa. This gap is the ulcer.  

Normal stomach mucosa (40X2.8)                                                            Stomach mucosa with ulcer (40X2.0)
  

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Copyright 2020: Augustine G. DiGiovanna, Ph.D., Salisbury University, Maryland

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