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17 Cards in this Set
- Front
- Back
Hyperkeratosis
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Thickening of stratum corneum
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Orthokeratosis
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Thickening of stratum corneum w/o retained nuclei.
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Parakeratosis
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Retained nuclei in stratum corneum
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Hypergranulosis
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Increase in granular layer (could be associated with parakeratosis)
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Acanthosis
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Thickening of epidermis (can sometimes be due to the increased prominence of granular layer).
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Papillomatosis
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Mountain and valley pattern in epidermis
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Dyskeratosis
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Premature kertinization of kertinocytes, due to apoptosis of a keratinocyte in the basal or spinous layer of epidermis
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Apoptosis
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Single cell death in epidermis
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Acantholysis
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Falling apart of keratinocytes--discohesion
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Spongiosis
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Intercellular edema -- between keratinocytes
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Ballooning
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Intracellular edema of keratinocytes; also called hydropic change, often associated with viral infection
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Exocytosis
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Lymphocytes migrating into epidermis
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Erosion
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Stripping away of stratum corneum
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Ulceration
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Complete loss of epidermis
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Vacuolization
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Bubbly appearance of epidermal basal layer
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Atrophy
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Loss of epidermal rete
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Palisading
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Lining up of cells in a row
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