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Dermatophagia (from Ancient Greek δέρμα (derma) ' skin ' and φαγεία (phageia) ' eating ') or dermatodaxia (from δήξις (dexis) ' biting ') [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers.
Scale forms on the skin surface in various disease settings, and is the result of abnormal desquamation. In pathologic desquamation, such as that seen in X-linked ichthyosis, the stratum corneum becomes thicker (hyperkeratosis), imparting a "dry" or scaly appearance to the skin, and instead of detaching as single cells, corneocytes are shed in clusters, which forms visible scales. [2]
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.
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Dyshidrosis is a type of dermatitis, characterized by itchy vesicles of 1–2 mm in size, on the palms of the hands, sides of fingers, or bottoms of the feet. [8] Outbreaks usually conclude within three to four weeks, but often recur. [4] [8] Repeated attacks may result in fissures and skin thickening. [7] The cause of the condition is not ...
A hangnail is a small, torn piece of skin or nail next to a fingernail or toenail. [1] Hangnails are typically caused by having dry skin , trauma to the fingers, or ingrown nails . [ 1 ]
The stratum lucidum (Latin, 'clear layer') is a thin, clear layer of dead skin cells in the epidermis named for its translucent appearance under a microscope. It is readily visible by light microscopy only in areas of thick skin, which are found on the palms of the hands and the soles of the feet. [1] [2]
Keratolysis exfoliativa (also known as"lamellar dyshidrosis", [1] "recurrent focal palmar peeling", [2] "recurrent palmar peeling" [1]: 212 [2]) is a sometimes harmless, sometimes painful skin condition that can affect the focal surface of the fingers and/or the palm or soles of the feet.