MICROANATOMY

Detailed explanation-1: -Peyer’s patches also referred to as aggregated lymphoid nodules form a significant portion of the immune system by supervising the intestinal bacteria population and checking the growth of the pathogenic bacteria in the intestines.

Detailed explanation-2: -The Peyer’s patches contain a significant number of dendritic cells, macrophages, and lymphocytes. Since the gastrointestinal system has exposure to a significant number of pathogens, it is vital for immune surveillance.

Detailed explanation-3: -Peyer’s patches are located in the ileum of small intestine. They are masses of lymphatic tissue. Their function is to produce lymphocytes which prevent the growth of bacterial populations inside the body. Hence the correct option is B.