crust

crust (krust) a formed outer layer, especially of solid matter formed by drying of a bodily exudate or secretion.

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milk crust  crusta lactea.

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crust (krst)

n.

1. A hard, crisp covering or surface.

2. An outer layer or coating formed by the drying of a bodily exudate such as pus or blood; a scab.

v.

To cover with, become covered with, or harden into a crust.

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crust

Etymology: L, crusta, shell

a solidified, hard outer layer formed by the drying of a body exudate, such as blood or pus, common in dermatologic conditions such as eczema, impetigo, seborrhea, and favus and during the healing of burns and lesions; a scab. Also called crusta.

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Crust

Cosmetic surgery A patch of dried protein-rich material that oozes from a hair graft, which sloughs off in 1–3 wks
Dermatology A layer of dried serum from an open wound
Seismology The outer layer of the Earth’s surface

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crust [krust]

a formed outer layer, especially an outer layer of solid matter formed by drying of a bodily exudate or secretion.

milk crust cradle cap.

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crust,

n a hard-coating surface layer composed of coagulated tissue fluid and blood products mixed with epithelial and inflammatory cells covering a lesion formed by the rupture of a bulla, vesicle, or pustule.

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crust

a formed outer layer, especially an outer layer of solid matter formed by drying of a bodily exudate or secretion. It may be serocellular or hemorrhagic.

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palisading crust

there are alternating layers of cellular debris and exudate; typical of fungal infections of the skin and dermatophilosis.

waxy crust

typical of exudative epidermitis.