Elaunin

Elaunin is a type of elastic fiber found in the human body. It is primarily located in the skin, specifically in the dermis layer. Elaunin fibers are similar to oxytalan fibers, but they contain elastin, which gives them their elastic properties.

Structure

Elaunin fibers are composed of microfibrils and elastin. The microfibrils are made up of fibrillin, a glycoprotein that provides strength and stability. The elastin is responsible for the elasticity of the fibers.

Function

The primary function of elaunin fibers is to provide elasticity to the skin. They allow the skin to stretch and return to its original shape. This is particularly important in areas of the body that experience frequent movement and stretching, such as the joints and skin.

Clinical significance

Abnormalities in elaunin fibers can lead to a variety of skin conditions. For example, a decrease in the number of elaunin fibers can result in skin laxity, a condition characterized by loose or sagging skin. Conversely, an increase in the number of elaunin fibers can lead to scleroderma, a condition characterized by hardening of the skin.

See also

• Elastic fiber
• Elastin
• Oxytalan

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