Fluorescence Digital Image Gallery

Human Hyaline Cartilage

The type of protein fiber in the cartilage matrix determines its type. In hyaline, the protein fibers are mostly collagen, which provides flexibility and support at the joints. Hyaline contains very little elastin compared to elastic cartilage. Hyaline cartilage is the most widely distributed form and is also the type that makes up the embryonic skeleton. In adults, it's found at the ends of bones in free-moving joints and at the ends of the ribs, and also in the nose, larynx, trachea and bronchi. It is pearly, bluish-gray and semitranslucent in appearance and very resilient. Articular cartilage is a type of hyaline that is made up of thin, transparent sections easily cut by a knife. Cartilage is found covering the articular surfaces of bones and synovial joints. Articular cartilage is deformable but quickly recovers its shape, which is an important characteristic for its functions of reducing friction and absorbing shock.

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