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Dermatophagia. 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 of pica.
A less severe, related disease, partial HPRT deficiency, is known as Kelley–Seegmiller syndrome (Lesch–Nyhan syndrome involves total HPRT deficiency). Symptoms generally involve less neurological involvement but the disease still causes gout and kidney stones. Genetics LNS is inherited in an X-linked recessive fashion.
Autophagia. Autophagia is the practice of biting/consuming one's body. It is a sub category of self-injurious behavior (SIB). [1] Commonly, it manifests in humans as nail biting and hair pulling. In rarer circumstances, it manifests as serious self mutilative behavior such as biting off one's fingers. [2] Autophagia affects both humans and non ...
A skin disease that causes the hands and feet of the body to turn a sickly green color. This can usually only be cured by a series of painful injections. A rumored alternate cure is to soak the hands and feet in buckets of a substance called zypholic acid, which can be found in lizard urine. The hands and feet must be soaked for no less than 45 ...
Nail biting, also known as onychophagy or onychophagia, is an oral compulsive habit of biting one's fingernails. It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking. Nail biting is very common, especially amongst children. 25–35 percent of children bite ...
Diseases of neonates and children younger than five years. Gonococcal ophthalmia neonatorum. Candida albicans infection. Candida parapsilosis infection. Cytomegalovirus infection. diphtheria. human coronavirus infection. respiratory distress syndrome. measles.
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin.
Darier's disease (DD) is a rare, genetic skin disorder. It is an autosomal dominant disorder, that is, if one parent has DD, there is a 50% chance than a child will inherit DD. It was first reported by French dermatologist Ferdinand-Jean Darier in 1889. Mild forms of the disease are the most common, consisting of skin rashes that flare up under ...