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 ?
Crustal magma reservoirs and plumbing systems are complex and require an integration of petrography, mineral chemistry and geophysics to understand their workings.
To evaluate the inferred mascon s first order crustal properties, Moho relief was determined with gravity effects that fully nullified the gravity effects of the terrain.
1962, "On the dispersion curve for Love waves due to irregularity in the thickness of the transversely isotropic crustal layer," Gerl Beitr Z Geophys.
The analogue model introduced in this paper is one example of an artificially set up system where natural processes of phase differentiation can be directly observed and which, regardless of the contrasting physical properties of crustal rocks and materials used here, is a good descriptive tool in the studies of the problematic aspects of partial melting and magma formation.
According to the agency, the decreasing crustal movement was detected from the middle of last month.
Prospero maintains that the African dust poses a risk higher than might be expected from local crustal particles because of its size and concentration.
The Seattle temblor was a deep ``slab quake'' that typically does less damage on the surface than a crustal quake, one of the other three main kinds of earthquakes, said Robert Yeats, an Oregon State University geologist.
The migration of magma through the crust from deeper, hotter levels affects the composition and temperature of the crust, and so understanding mechanisms of magma migration help us to understand crustal structure and evolution.
The strong earthquake that hit Indonesia late Sunday local time apparently focused shallowly on the trench of Java in the Indian Ocean on the boundary of crustal plates, a Japanese scholar specializing in seismology said Monday.
Our geomorphic analysis of drainage basins suggests it indeed follows a boundary between tilting crustal blocks.