Reticular tissue is a type of connective tissue that provides a supportive framework for various organs. It is composed of a network of thin, branching fibers called reticular fibers, which are made of collagen. This tissue is primarily found in organs such as the spleen, lymph nodes, and bone marrow, where it helps to support the cells and structures within these organs. The main function of reticular tissue is to create a scaffold that supports the cells involved in the immune response and blood cell production. It plays a crucial role in filtering and trapping pathogens, contributing to the body's defense mechanisms. Overall, reticular tissue is essential for maintaining the structure and function of certain organs.