IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

LYMPHATIC TISSUES AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Isolated clusters of lymph follicles found in the wall of the small intestine.
A
Peyer’s patches
B
Thoracic duct
C
Lymph nodes
D
Spleen
Explanation: 

Detailed explanation-1: -Peyer’s patches are found in the small intestine, it is a secondary lymphoid tissue and it is the component of GALT. They are groups of lymphatic tissues in the submucosa layer of the ileum of the small digestive tract.

Detailed explanation-2: -Peyer’s patches are clusters of subepithelial, lymphoid follicles found in the intestine. They are oval or rectangular in shape and found on the antimesentric wall of the intestine. They are more prominent in ileum and are characterized by specialized epithelial cells called M cells.

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