Peyer's patch
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Peyer's patches or aggregated lymphoid nodules are organized lymphoid follicles, named after the 17th-century Swiss anatomist Johann Conrad Peyer. They are an important part of gut associated lymphoid
Cross section of ileum with a Peyer's patch circled
Ileum
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The ileum is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish, the divisions of the small intestine are not as clear and the terms p
Peyer's patch
…part of gut associated lymphoid tissue usually found in humans in the lowest portion of the small intestine, mainly in the distal jejunum and the ileum, but also could be detected in the duodenum. Peyer's patches had been observed and described by several anatomists during the 17th century, but in 1677…
Small intestine
Goblet cells in the wall of an ileum vili. At its sides, enterocytes are visible over a core of lamina propria.
Cross-section histology of intestinal villi of the human terminal ileum.