The medical term for Scab

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What is the medical term for Scabs?

The known medical term for scab is crust or eschar (Greek word). This is a crust formed by coagulation of blood, pus, serum, or a combination of these, on the surface of an ulcer, erosion, or other type of wound.

The edge of an eschar (crust) can keep a wound from closing by secondary intention, and an eschar is said to be a sign that a wound is too dry to heal as fast as possible.

Crusts results when serum, blood, or purulent exudate dries and it is a hallmark of pyogenic infection. Crusts are yellow when they have arisen from dried serum; green or yellow-green when formed from purulent exudate; and brown or dark red when formed from blood.

Crust, eschar, or scab are medical terms often used in dermatology. Below is an image that shows you an example of scab in the nose area.

Picture of Scab in Nose area. Bloody, Painful Scabs.

Picture of Scab in Nose area. Bloody, Painful Scabs.

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