👉 Fimbriae are a type of organ found in animals, particularly in mammals. They play a crucial role in the digestive system by breaking down food into smaller pieces that can be absorbed more easily and digested more efficiently. Fimbriae include the small intestine, which is the main part of the digestive tract responsible for breaking down nutrients such as carbohydrates, fats, and proteins. The term "fimbriae" comes from the Latin word "fibrum," meaning "fiber."