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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. This action can either be conscious or unconscious [4] and it is considered to be a type of pica ...
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However, the disease can also develop without the fish showing any external signs of illness, the fish maintain a normal appetite, and then they suddenly die. The disease can progress slowly throughout an infected farm and, in the worst cases, death rates may approach 100 percent. It is also a threat to the dwindling stocks of wild salmon.
Fingernail-biting that develops into fingernail-eating is a form of pica. Other forms of pica include dermatophagia, [7] and compulsion of eating one's own hair, which can form a hairball in the stomach. Left untreated, this can cause death due to excessive hair buildup. [8] Self-cannibalism can be a form of self-harm and a symptom of a mental ...
Skin lesions from WDSV and WEHV were both identified in walleye from Oneida Lake, New York in 1969. [2] The tumors associated with these viruses appear to have a seasonal cycle appearing in the fall then regressing in the springtime, an individual walleye appears to form the neoplasia once in the lifetime in the fish.
Nevertheless, these small second intermediate hosts can be eaten by larger predator species, for example trout, perch, walleye, and pike. In this case, the sparganum can migrate to the musculature of the larger predator fish and mammals can acquire the disease by eating these later intermediate infected host fish raw or undercooked.
Another, more permanent, practice that is used in some countries is mulesing, where the skin is removed from young animals to tighten remaining skin – leaving it less prone to fly attack. [ 27 ] To prevent myiasis in humans, there is a need for general improvement of sanitation, personal hygiene, and extermination of the flies by insecticides.
The Irish actor caught a case of necrotizing fasciitis shortly before shooting ‘The Banshees of Inisherin’