Crust
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Crust (medical)
Crust (pronounced: /krʌst/) is a term used in the medical field to describe a hardened layer on the surface of the skin, often formed as a result of drying bodily fluids such as blood, pus, or serum.
Etymology
The term "crust" originates from the Latin word "crusta", meaning "shell" or "hard surface". In the medical context, it was first used in the 14th century to describe the hardened surface of a healing wound or skin condition.
Related Terms
- Scab: A crust formed by coagulation of blood or serum over a wound.
- Exudate: Fluid, such as pus or clear fluid, that leaks out of blood vessels into nearby tissues. The drying of exudate can lead to the formation of a crust.
- Dermatology: The branch of medicine dealing with the skin and its diseases, where the term "crust" is frequently used.
- Lesion: Any damage or abnormal change in the tissue of an organism, usually caused by disease or trauma, which may form a crust as it heals.
See Also
- Erosion (medical): A loss of part of the skin's epidermis, which may form a crust as it heals.
- Ulcer (medical): A break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, which may also form a crust during the healing process.
External links
- Medical encyclopedia article on Crust
- Wikipedia's article - Crust
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