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Skin sloughing is the process of shedding dead surface cells from the skin. It is most associated with cosmetic skin maintenance via exfoliation , but can also occur biologically or for medical reasons.
The histological picture involves thinner, weaker attachments of the skin lesion itself to the normal skin – resulting in easier dislodgement. The formation of new blisters upon slight pressure (direct Nikolsky) and shearing of the skin due to rubbing (indirect Nikolsky) is a sign of pemphigus vulgaris, albeit not a 100% reliable diagnosis. [ 8 ]
A dragonfly in its radical final moult, metamorphosing from an aquatic nymph to a winged adult.. In biology, moulting (British English), or molting (American English), also known as sloughing, shedding, or in many invertebrates, ecdysis, is a process by which an animal casts off parts of its body to serve some beneficial purpose, either at specific times of the year, or at specific points in ...
An eschar (/ ˈ ɛ s k ɑːr /; Greek: ἐσχάρᾱ, romanized: eskhara; Latin: eschara) is a slough [1] or piece of dead tissue that is cast off from the surface of the skin, particularly after a burn injury, but also seen in gangrene, ulcer, fungal infections, necrotizing spider bite wounds, tick bites associated with spotted fevers and exposure to cutaneous anthrax.
Necrotizing gingivitis: painful, bleeding, sloughing ulceration and loss of the interdental papillae (usually of the lower front teeth) Necrotizing gingivitis, is a common, non-contagious infection of the gums. If improperly treated necrotizing may become chronic and/or recurrent.
According to Robbins's pathology, "ulcer is the breach of the continuity of skin, epithelium or mucous membrane caused by sloughing out of inflamed necrotic tissue." [citation needed] Common forms of ulcers recognized in medicine include: [citation needed] Ulcer (dermatology), a discontinuity of the skin or a break in the skin.
Histopathology of thyroid parenchyma with autolytic changes seen at autopsy, with thyroid follicular cells sloughing off into the follicles. Autolysis is uncommon in living adult organisms and usually occurs in necrotic tissue as enzymes act on components of the cell that would not normally serve as substrates. These enzymes are released due to ...
The length and angle of each flap are usually the same to avoid mismatched flaps that may be difficult to close. Some possible complications of Z-plasty include flap necrosis, haematoma (blood clot) formation under the flaps, wound infection, trapdoor effect and sloughing (necrosis) of the flap caused by wound tension and inadequate blood supply.