crust

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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.

crust

(krŭst),
1. A hard outer layer or covering; cutaneous crusts are often formed by dried serum or pus on the surface of a ruptured blister or pustule.
2. A scab.
Synonym(s): crusta
[L. crusta]

crust

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

crust

(krŭst)
n.
An outer layer or coating formed by the drying of a bodily exudate such as pus or blood; a scab.
v. crusted, crusting, crusts
v.intr.
1. To become covered with a crust.
2. To harden into a crust.

crust′less adj.

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 dermatological conditions such as eczema, impetigo, seborrhea, and favus and during the healing of burns and lesions; a scab. Also called crusta.
enlarge picture
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

crust

(krŭst)
1. A hard outer layer or covering; cutaneous crusts are often formed by dried serum or pus on the surface of a ruptured blister or pustule.
2. A scab.
Synonym(s): crusta.
[L. crusta]

crust

(krŭst)
1. A hard outer layer or covering; cutaneous crusts are often formed by dried serum or pus on the surface of a ruptured blister or pustule.
2. A scab.
[L. crusta]

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.

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.

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.
References in periodicals archive ?
Our current experiments are aimed at determining the extent to which clay dispersion and crust formation, as opposed to texturally governed porosity, contribute to inherent infiltrability.
The initial evaporation from the soil surface, 22 mm/day, was almost at the open-water rate, then fell continuously with a fluctuation due to the crust formation.
In the standard model for crust formation, low-density material floats to the surface of a young, molten planet like scum on a pond.
The continental crust formation modified the composition of the mantle and the atmosphere, it supports life and it remains a sink for carbon dioxide through weathering and erosion.
He had a 3-year history of crust formation and nasal obstruction.
1991) was used to measure rate of crust formation under rainfall.