Tough fibrous band of connective tissue that supports internal organs and holds bones together properly in joints. It is composed of dense bundles of fibres and spindle-shaped cells (fibroblasts and fibrocytes), with little ground substance. White ligament is rich in sturdy, inelastic collagen fibres; yellow ligament is rich in tough elastic fibres, which allow more movement. See also tendon.

This entry comes from Encyclopædia Britannica Concise.
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