Difference between revisions of "Skin Glossary - Pathology"
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*'''Acantholysis''' - loss of cohesion between cells of living epidermis, especially stratum spinosum | *'''Acantholysis''' - loss of cohesion between cells of living epidermis, especially stratum spinosum | ||
*'''Acanthosis''' - hyperplasia of stratum spinosum | *'''Acanthosis''' - hyperplasia of stratum spinosum | ||
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*'''Erosion''' - superficial ulcer involvng only epidermis, heals without scarring | *'''Erosion''' - superficial ulcer involvng only epidermis, heals without scarring | ||
*'''Erythema''' - reddening of skin caused by congestion of capillaries | *'''Erythema''' - reddening of skin caused by congestion of capillaries | ||
| + | *'''Excoriation''' - erosions and ulcers caused by self-trauma | ||
*'''Furunculosis''' - rupture of hair follicles with severe inflammation | *'''Furunculosis''' - rupture of hair follicles with severe inflammation | ||
| − | *'''Hyperkeratosis''' - increased thickness of stratum | + | *'''Hyperkeratosis''' - increased thickness of stratum corneum |
*'''Lichenification''' - thickeningof skin superficial layers with exaggerated crevices | *'''Lichenification''' - thickeningof skin superficial layers with exaggerated crevices | ||
*'''Macule''' - circumscribed change in skin colour < 1cm in diameter | *'''Macule''' - circumscribed change in skin colour < 1cm in diameter | ||
| + | *'''Nodule''' - solid elevation of skin, >1cm in diameter | ||
*'''Papule''' - solid elevation of skin, <1cm in diameter | *'''Papule''' - solid elevation of skin, <1cm in diameter | ||
*'''Parakeratosis''' - abnormal cornification, keratinocytes retain their nuclei | *'''Parakeratosis''' - abnormal cornification, keratinocytes retain their nuclei | ||
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*'''Urticaria''' - vascular reaction in dermis, consists of transient wheals | *'''Urticaria''' - vascular reaction in dermis, consists of transient wheals | ||
*'''Vesicle''' - blister <1cm in diameter | *'''Vesicle''' - blister <1cm in diameter | ||
| + | *'''Vitiligo''' - Depigmentation in focal areas where melanocytes are absent | ||
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| + | [[Category:Integumentary System - Pathology]] | ||
Latest revision as of 12:48, 7 June 2013
- Acantholysis - loss of cohesion between cells of living epidermis, especially stratum spinosum
- Acanthosis - hyperplasia of stratum spinosum
- Adnexa - cutaneous appendages - hair, claws, glands
- Alopecia - abscence of hair in an area where it is normally present
- Anagen - growth phase of hair cycle
- Comedo - plugged and dilated hair follicle
- Crust - accumulation of solid exudate on skin surface, serocellular or haemorrhagic
- Epidermal collarettes - peeling edge of epithelium surrounding an ulcer or erosion
- Erosion - superficial ulcer involvng only epidermis, heals without scarring
- Erythema - reddening of skin caused by congestion of capillaries
- Excoriation - erosions and ulcers caused by self-trauma
- Furunculosis - rupture of hair follicles with severe inflammation
- Hyperkeratosis - increased thickness of stratum corneum
- Lichenification - thickeningof skin superficial layers with exaggerated crevices
- Macule - circumscribed change in skin colour < 1cm in diameter
- Nodule - solid elevation of skin, >1cm in diameter
- Papule - solid elevation of skin, <1cm in diameter
- Parakeratosis - abnormal cornification, keratinocytes retain their nuclei
- Paronychia - inflammation of tissue fold around nail bed
- Patch - macule > 1cm in diameter
- Plaque - flet topped swelling > 1cm in diameter
- Pustule - small circumscribed elevation containing pus
- Scale - fragments of stratum corneum
- Scar - fibrous tissue area that replaced damaged dermis or subcutaneous tissue
- Seborhea- scaling, crusting and greasiness
- Telogen - resting phase of hair cycle
- Ulcer - break in epidermis with exposed underlying dermis
- Urticaria - vascular reaction in dermis, consists of transient wheals
- Vesicle - blister <1cm in diameter
- Vitiligo - Depigmentation in focal areas where melanocytes are absent