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Author: Paul Kwan, Ph.D.
Peyer's patch in the ileum cut "en face"
Description:System: Lymphoid, Organ: Ileum, Tissue: Peyer's patch, Species: Dog. Comments: Peyer's patch cut "en face". Crypts of Lieberkuhn surround the lymphoid nodules. Lymphocytes, with scant cytoplasm and dark staining nuclei, aggregate into nodules.