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A Peyer's patch consists of a large number of lymphoid nodules grouped closely together so as to form a slightly elevated area, usually of an oblong form, on the surface of the mucous membrane. Peyer's patch and solitary glands, from intestine of child two years old. Near the lower border are seen a few small patches made up of two or three lymphatic nodules; they are marked "intermediate form."

Peyer's Patch

A Peyer's patch consists of a large number of lymphoid nodules grouped closely together so as to form…