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Psychiatry. Types. OCD. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. 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 ...
Delusional parasitosis (DP) or delusional infestation[ 2] is a mental disorder in which individuals have a persistent delusion that they are infested with living or nonliving agents, such as parasites, insects, or bacteria, when no such infestation is present. [ 3] Individuals may present with dermatologic symptoms, such as excoriation or ...
They do not actually "bite", but instead form a hole in the skin called a stylostome and chew up tiny parts of the inner skin, thus causing irritation and swelling. The itching is accompanied by red, pimple-like bumps or hives and skin rash or lesions on a sun-exposed area. For humans, itching usually occurs after the larvae detach from the skin.
Patuxent Wildlife Research Center. / 39.02639°N 76.79889°W / 39.02639; -76.79889. The Patuxent Wildlife Research Center is a biological research center in Laurel, Maryland, part of the Eastern Ecological Science Center (EESC) of the U.S. Geological Survey (USGS). The EESC is the largest of the 15 USGS research centers. [1]
Frequency. 15.5 million (2015) [ 5] Onchocerciasis, also known as river blindness, is a disease caused by infection with the parasitic worm Onchocerca volvulus. [ 1] Symptoms include severe itching, bumps under the skin, and blindness. [ 1] It is the second-most common cause of blindness due to infection, after trachoma.
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Snakebite. A snakebite is an injury caused by the bite of a snake, especially a venomous snake. [ 9] A common sign of a bite from a venomous snake is the presence of two puncture wounds from the animal's fangs. [ 1] Sometimes venom injection from the bite may occur. [ 3] This may result in redness, swelling, and severe pain at the area, which ...
Emergency medicine. An animal bite is a wound, usually a puncture or laceration, caused by the teeth. An animal bite usually results in a break in the skin but also includes contusions from the excessive pressure on body tissue from the bite. The contusions can occur without a break in the skin. Bites can be provoked or unprovoked.