Which of the following are significant aggregations of lymphoid tissues which are seen in association with the mucosa of many major tracts of the human body?
A
Mucosal-associated lymphoid tissue
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B
Peyer's patches
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C
Tonsils
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D
Both A and B
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Solution
The correct option is A Mucosal-associated lymphoid tissue Mucosa-associated lymphoid tissue or MALT is a lymphoid tissue located within the lining of major tracts such as digestive tracts, urogenital tracts, and digestive tracts. Peyer's patches found in the small intestine and the tonsils are secondary lymphoid organs.
So, the correct option is 'Mucosal-associated lymphoid tissue'.