Final answer:
The primary function of Microfold Cells (M Cells) is to sample potential pathogens from the intestinal lumen and transport them to nearby follicles for immune responses. M Cells play a crucial role in identifying and responding to pathogens in mucosal tissues, such as the small intestine's Peyer's patches.
Step-by-step explanation:
The primary function of Microfold Cells (M Cells) is to sample potential pathogens from the intestinal lumen and transport them to nearby follicles so that adaptive immune responses can be mounted. M Cells are specialized cells found in mucosal tissues such as the Peyer's patches in the small intestine. They take up particulate antigens and allow the body to identify and respond to potential pathogens. The antigen-loaded cells then migrate to the regional lymph nodes, where an immune response is mounted.