Peyer’s patches are conglomerations of lymphoid nodules in the ileum, or lower part of the small INTESTINE. They play an important part in the defence of the body against bacterial invasion, as in typhoid fever (see ENTERIC FEVER). Health Source: Dictionary of Tropical Medicine Author: Health Dictionary
Group of lymphoid tissue in the small intestine, especially involved in typhoid infections. Health Source: Medical Dictionary Author: Health Dictionary
Health Encyclopedia