Cartilage Tissue

Cartilage is a rigid and smooth muscle, a rubber-like vessel that covers and protects the ends of long bones, and is a component of the ribs, ears, nose, bronchial tubes, intervertebral discs, and many other body parts. It is not as hard and strong as bones, but it is much more stable and flexible than tissue. The cartilage matrix is ​​composed of glycosaminoglycans, protein glycans, collagen fibers and, in some cases, elastin. Because of its stiffness, cartilage often serves the purpose of holding open tubes in the body. Examples include trachea rings, such as cricoid cartilage and carina.

Cartilage is made up of specialized cells called chondrocytes that produce a large amount of collagenous extracellular matrix, a multifunctional material rich in fibers of protein glycan and elastin. Cartilage is divided into three types, elastic cartilage, hyaline cartilage, and fibrocartilage, which vary in equal amounts of collagen and protein glycan.

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