exfoliation


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Related to exfoliation: exfoliation corrosion

exfoliation

 [eks-fo″le-a´shun]
1. a falling off in scales or layers.
2. the normal loss of primary teeth after loss of their root structure. adj., adj exfo´liative.
lamellar exfoliation of newborn a congenital hereditary disorder in which the infant is born covered with a collodionlike or parchmentlike membrane that peels off within 24 hours, after which there may be complete healing, or the scales may reform and the process may be repeated. In the more severe form, the infant (harlequin fetus) is covered with thick, horny, armorlike scales and usually either is stillborn or dies shortly after birth. Called also ichthyosis congenita and lamellar ichthyosis of newborn.

ex·fo·li·a·tion

(eks'fō-lē-ā'shŭn),
1. Detachment and shedding of superficial cells of an epithelium or from any tissue surface.
2. Scaling or desquamation of the horny layer of epidermis, which varies in amount from minute quantities to shedding the entire integument.
3. Loss of deciduous teeth following physiologic loss of root structure.
[Mod. L. fr. L. ex, out, + folium, leaf]

exfoliation

/ex·fo·li·a·tion/ (eks-fo″le-a´shun)
1. a falling off in scales or layers.
2. the removal of scales or flakes from the surface of the skin.
3. the normal loss of primary teeth after loss of their root structure.exfo´liative

lamellar exfoliation of newborn  a congenital hereditary disorder in which the infant (collodion baby) is born entirely covered with a collodion- or parchment-like membrane that peels off within 24 hours, after which there may be complete healing, or the scales may re-form and the process be repeated; in the more severe form, the infant (harlequin fetus) is entirely covered with thick, horny, armor-like scales, and is usually stillborn or dies soon after birth.

exfoliation

[eksfō′lē·ā′shən]
Etymology: L, ex + folium, leaf
peeling and sloughing off of tissue cells. This is a normal process that may be exaggerated in certain skin diseases or after a severe sunburn or may be be done deliberately, such as with microdermabrasion. See also desquamation, exfoliative dermatitis. exfoliative, adj.

ex·fo·li·a·tion

(eks-fō'lē-ā'shŭn)
1. Detachment and shedding of superficial cells from any tissue surface.
2. Scaling or desquamation of the horny layer of epidermis.
3. Loss of deciduous teeth following physiologic loss of root structure.
[Mod. L. fr. L. ex, out, + folium, leaf]

exfoliation

Shedding of cells from a surface, such as the skin. In exfoliative dermatitis, much of the surface of the skin peels off or is shed.

exfoliation

scaling or desquamation of outermost part of the stratum corneum

ex·fo·li·a·tion

(eks-fō'lē-ā'shŭn)
1. Loss of deciduous teeth following physiologic loss of root structure.
2. Detachment and shedding of superficial cells of an epithelium or from any tissue surface.
3. Scaling or desquamation of the horny layer of epidermis.
[Mod. L. fr. L. ex, out, + folium, leaf]

exfoliation (eksfō´lēā´shən),

n the physiologic loss of the primary dentition. Also called shedding.

exfoliation

a falling off in scales or layers.
References in periodicals archive ?
001] peak, which is more pronounced for HDPE based nanocomposites, suggests the presence of two distinct processes, namely, intercalation and partial exfoliation of the clay in the system.
Detection of early glaucomatous damage in pseudo exfoliation syndrome by assessment of retinal nerve fiber layer thickness.
Graphene has been used in functionalized as well as in pristine form in order to improve the mechanical and thermal properties of different polymeric system like polyurethane, bisphenol A epoxy, ultra-high molecular weight polyethylene and polyphenylene sulfide, polyvinyl chloride and polyacrylonitrile and polyvinylalcohol [13-19] Liquid phase exfoliation of graphite to graphene, also referred to as solution based graphene exfoliation, was first carried out by the Coleman group [20] in 2008 via sonication of graphite flakes in organic solvents such as N-methyl-Pyrrolidinone (NMP) and dimethyl formamide (DMF).
Exfoliation syndrome (XFS) occurs worldwide, although reported prevalence rates vary extensively.
Influence of Types of NA on Their Exfoliation in PP Matrix
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