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Vertical section of a portion of a Peyer's Patch, with lacteal vessels injected. Labels: a, villi, with their lacteals colored black; d, surface of rounded follicle, or solitary gland; e, central part; f,g,h,i, and k, lymph-channels, or lacteal vessels, colored black. "Closely connected with the lymphatic vessels in the intestines are small, rounded bodies of the size of a small pin's head, called solitary glands or follicles. These bodies consist of a rounded mass of fine lymphoid tissue, the meshes of which are crowded with leucocytes. A Peyer's patch, or agminated gland, as it is often called, is simply a collection of these follicles."— Kimber, 1907

Peyer's Patch

Vertical section of a portion of a Peyer's Patch, with lacteal vessels injected. Labels: a, villi, with…

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…