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Scar

by Glossary
December 13, 2022
in S
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Area of fibrous tissue resulting from the biologic process of wound repair that replaces normal tissues destroyed by injury or disease. Called also a cicatrix.


Mark left on stem by a fallen leaf, or on seed by separating from fruit.


A mark left on the skin or other tissue after a wound, burn, ulcer, lesion, or other injury has healed. The degree of scarring depends on the nature of the injury, as well as a person’s age, heredity, and skin type. Scars tend to shrink and become less noticeable as they age. However, some individuals undergo surgery to improve the appearance of scars. A keloid is a raised, firm irregularly shaped scar caused by abnormal healing; it has a tendency to return.


A healed wound, ulcer or breach of tissue. A scar consists essentially of fibrous tissue, covered by an imperfect formation of epidermis in the case of scars on the surface of the skin. The fibrous tissue is produced by the connective tissue that migrates to the wound in the course of its repair. Gradually this fibrous tissue contracts, becomes more dense, and loses its blood vessels, leaving a hard white scar.


A mark left in the skin or an internal organ by the healing of a wound, sore, or injury because of replacement by connective tissue of the injured tissue. Scars may result from wounds that have healed, lesions of diseases, or surgical operations. When it first develops a scar is red or purple. It later takes on the skin color of the patient.


 

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