Cytoskeletal filaments are essential components of a cell's structure, providing support and shape. They are part of the cytoskeleton, a network of protein fibers that helps maintain the cell's integrity. There are three main types of cytoskeletal filaments: microfilaments, intermediate filaments, and microtubules. Each type has a unique role, from enabling cell movement to organizing internal structures. These filaments also play a crucial role in cell division and transport within the cell. For example, microtubules form the spindle fibers that help separate chromosomes during mitosis. Overall, cytoskeletal filaments are vital for many cellular functions, ensuring that cells can adapt and respond to their environment.