Peyer's patches

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Peyer's patches

[′pī·ərz ‚pach·əz]
(histology)
Aggregates of lymph nodules beneath the epithelium of the ileum.
References in periodicals archive ?
Generally, perforation occurs after severe inflammation and necrosis of the Peyer patches of the distal ileum [8, 17].
(1) Other possible causes include enlarged Peyer patches, viral infections, and trauma.