Peyer's Patch

Peyer's Patch

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  Peyer's 4X
  A: Peyer's patches are lymphatic aggregations found in the ileum of the small intestine. Histologically they are dense lymphatic tissue and serve the same purpose as any lymphatic nodule.
  
  B: Muscularis Externa
  
  C: Mucosa with the striated simple columnar epithelium
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  Peyer's 20X
  A: Peyer's patch with a visible germinal center. Dense lymphatic tissue
  
  B: Germinal center where proliferating lymphocytes are located
  
  C: Muscularis Externa
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  Peyer's 40X
  A: Peyer's patch
  
  B: Inner muscle layer
  
  C: Outer muscle layer