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The specialized cells that provide the interface between

the lumen of the gut and the underlying lymphoid tissue _____.
a. make up the germinal center
b. are called the M cells
c. are located in the periarteriolar lymphoid sheath
d. are specialized in killing encapsulated bacteria
e. are progenitors of monocytes.

User Hazok
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Final answer:

b. are called the M cells M cells are specialized cells that interface between the gut lumen and lymphoid tissue, initiating immune responses by transporting antigens to lymphoid follicles.

Step-by-step explanation:

The specialized cells that provide the interface between the lumen of the gut and the underlying lymphoid tissue are called the M cells. These microfold cells sample material from the intestinal lumen and transport it to nearby lymphoid follicles, such as those in the Peyer's patches, so that adaptive immune responses can be mounted against potential pathogens. They are essential for initiating immune surveillance and responses in the mucosa-associated lymphoid tissue (MALT) of the gastrointestinal tract.

The specialized cells that provide the interface between the lumen of the gut and the underlying lymphoid tissue are called M cells. These M cells are located in the mucosa-associated lymphoid tissue (MALT), specifically in structures called Peyer's patches, which are found in the small intestine. M cells play a crucial role in sampling material from the intestinal lumen and transporting it to nearby follicles, where immune responses to potential pathogens can be mounted.

User Fenwick
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