A specialized, fibrous connective tissue, forming most of the temporary skeleton of the embryo, providing a model in which most of the bones develop, and constituting an important part of the growth mechanism of the organism. It exists in several types, the most important of which are hyaline cartilage, elastic cartilage, and fibrocartilage. Also used as a general term to designate a mass of such tissue in a particular site in the body.

Portion of tissue which is connective tissue composed of collagen and/or elastin fibers and chondrocytes. Cartilage is avascular and provides both skeletal functions and a framework upon which bone is deposited.