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The glands of Peyer occur chiefly but not exclusively in the small intestine. They are found in greatest abundance in the lower part of the ileum near to the ileocaecal valve. Shown is a transverse section of injected Peyer's glands representing the fine capillary-looped network spreading from the surrounding blood vessels into the interior of three of Peyer's capsules from the intestine of the rabbit.

Peyer's Glands

The glands of Peyer occur chiefly but not exclusively in the small intestine. They are found in greatest…