Collagen


Collagen: The principal protein of the skin, tendons, cartilage, bone, and connective tissue. Collagen is an essential part of the framework of the design of our various body tissues.

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  • Collagen disease

    Collagen disease: A disease that damages collagen or other components of connective tissue. For example, dermatomyositis and systemic lupus erythematosus are collagen diseases.

  • Collagen injection

    Collagen injection: The practice of injecting collagen into a part of the face or body (often the lips) to make it larger. The effects are long-lasting but not permanent. Collagen injections are usually done by plastic surgeons.

  • Collagenopathy

    Collagenopathy: Any one of a congenital and rare group of disorders that affect connective tissue. Connective tissue supports the body’s joints and organs. The collagenopathies are caused by defects in type II or type XI collagen. Collagens are complex molecules that provide structure, strength, and elasticity (the ability to stretch) to connective tissue. The conditions […]

  • Collapsed lung

    Collapsed lung: Failure of full expansion of a once fully expanded lung. Medically called atelectasis. The word comes from the Greek “a-” (without) + “telos” (complete) + “rectasis” (expansion) = without complete expansion.

  • Collarbone

    Collarbone: A horizontal bone above the first rib that makes up the front part of the shoulder. Also known as the clavicle, the collarbone links the breastbone (sternum) with the scapula, a triangular bone in the back of the shoulder. One end of the collarbone connects to the sternum, forming one side of the sternoclavicular […]


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