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| − | ===High temperature damage=== | + | ===[[High Temperature Damage]]== |
| − | *May result from excessive heat, liquids, flames, friction, lightning, electricity
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| − | *Partial or full thickness burns (first, second and third degree burns)
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| − | *Full thickness burns:
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| − | **Total destruction of skin and adnexa
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| − | **Has to be repaired by grafting
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| − | **Life threatening
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| − | *Partial thickness burns:
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| − | **Some structures preserved -> regeneration may occur
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| − | **Grossly:
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| − | ***Erythema (capillary dilation)
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| − | ***Oedema (increased permeability of capillaries)
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| − | ***Vesicles
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| − | **Microscopically:
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| − | ***[[Necrosis - Pathology#Coagulation Necrosis|Coagulation necrosis]] of epidermis
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| − | ***Subepidermal vesiculation
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| − | ***Necrosis of adnexa
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| − | ***Degenerated subepidermal collagen
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| − | ***May involve large numbers of [[Neutrophils|neutrophils]] if secondary ifection is present
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| − | [[Category:Integumentary System - Physical Damage]]
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| | ==Sunlight damage== | | ==Sunlight damage== |