Ligaments are tough, fibrous bands of connective tissue in your body. They connect bones to other bones and help hold important body structures in place, including joints and some organs. These cord-like tissues are mostly composed of collagen and elastin, which makes them strong but flexible.
Ligament, tough fibrous band of connective tissue that serves to support the internal organs and hold bones together in proper articulation at the joints. A ligament is composed of dense bundles of collagenous fibers and spindle-shaped cells known as fibrocytes, with little ground substance.