Multiple Choice
Which of the following structures is not considered mucosa-associated lymphoid tissue (MALT)?
20. The Lymphatic System
Secondary Lymphoid Organs: MALT
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Which of the following is not considered to be MALT?
A
Thymus.
B
Tonsils.
C
Peyer’s Patches.
D
Appendix.
Verified step by step guidance1
Understand the term MALT: MALT stands for Mucosa-Associated Lymphoid Tissue, which is a collection of lymphoid tissues found in various mucosal sites of the body.
Identify the common locations of MALT: MALT is typically found in areas such as the tonsils, Peyer's patches in the small intestine, and the appendix. These tissues play a role in the immune response by protecting mucosal surfaces.
Recognize the function of the thymus: The thymus is a primary lymphoid organ located in the chest, where T cells mature. It is not associated with mucosal surfaces and therefore not considered MALT.
Compare the options: Tonsils, Peyer's patches, and the appendix are all associated with mucosal surfaces and are considered MALT.
Conclude which option is not MALT: Since the thymus is not associated with mucosal surfaces, it is not considered MALT, making it the correct answer to the question.
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