Fibrous means containing, consisting of, or resembling fibers. It can refer to objects or substances that contain a lot of fibers or look as if they do. Examples of fibrous objects include fibrous scar tissue in the knee, thick fibrous hair, and fibrous dirt mixed with pine needles. Fibrous substances can also be found in the human body, such as fibrous connective tissue, which is a type of tissue that connects and supports other tissues and organs. Fibrosis is another term that describes the development of fibrous connective tissue as a reparative response to injury or damage. Examples of fibrosis include the formation of scar tissue in the lungs due to chronic inflammation or damage from toxins.