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Ch. 14 Vocab Oral Path
White Lesions
25
Pathology
Undergraduate 2
02/08/2012

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Term
ablated
Definition
removed completely(excised) usually w/ laser therapy
Term
acanthosis
Definition
thickening of prickle cell later of the epithelium (stratum spinosum layer)
Term
atopic
Definition
highly allergic
Term
atopy (atopic allergy)
Definition
a hereditary disorder marked by the tendency to develop immediate allergic rxns to substances such as pollen, food, dander, and insect venoms and manifested by hay fever, athsma, or similar allergic reactions
Term
callus
Definition
over production of keratin in skin as result of friction
Term
coagulation necrosis
Definition
produced by chemical or thermal burns where the cells become necrotic but maintain their original cell outline
Term
depapillated
Definition
areas of atrophy w/ loss of filiform papillae
Term
dysplasia (epithelial)
Definition
morphologic changes that cells go thru as they evolve from normal to malignant, and as such represent premalignant change: alteration in size, shape, and organization of adult cells
Term
erythroleukoplakia
Definition
white and red lesion
Term
Fordyce's granules
Definition
normal sebaceous glands found in oral mucosa. Rarely found in children since sebaceous glands develop fully only under influence of androgenic hormones produced at puberty
Term
Leukoplakia
Definition
aka white patch, term used to describe and undiagnosed white lesion or patch that does not wipe off.
Term
genokeratosis
Definition
inherited oral mucosal disorders that produced keratinized (white) lesions of oral mucosa. Bc they are inherited, they tend to appear early in age or at birth and often multifocal affecting large areas of the oral mucosa. Ex. White Sponge Nevus
Term
hyphae
Definition
elongated forms of the organisms ( as cells die they lie on the surface of tissues as white plaque matted together)
Term
hyperkeratosis
Definition
thickening of the horny layer(stratum corneum) of epidermis or mucosa by increased keratin production. Also called hyperkatinization
Term
Koebner phenomenon
Definition
ability of disease to affect chronically irritated tissue
Term
Nuclear hyperchromatism
Definition
chromosomal material that stains darkly when exposed to specific staining solns
Term
pseudomembrane
Definition
false membrane ( plaques that can be scraped off w/ a tongue blade or stiff instrument, due to designation
Term
premalignant lesion
Definition
clinically detectable morphologic tissue change that has higher risk of developing into oral cancer than normal tissue
Term
proliferative verrucous leukoplakia
Definition
aggressive form of leukoplakia that tends to be multifocal and progressive and normally shows a high incidence of progression to carcinoma. These lesions show irregular or verrucous (wart-like) surface texture
Term
pruritic
Definition
itchy
Term
retromolar trigone
Definition
soft tissue area posterior to MN molars toward pharynx
Term
reverse smoking
Definition
placing lit end of cigarette in mouth and inhaling
Term
Speckled leukoplakia
Definition
(erytholeukoplakia) lesions exhibiting both red and white components in the mouth on oral mucous membranes
Term
vesiculobullous
Definition
fluid-filled blisters
Term
Wickham Stria
Definition
keratotic white surface pattern of very fine interlacing lines as seen in Lichen planus
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