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Dermatophagia (from Ancient Greek δέρμα (derma) 'skin' and φαγεία (phageia) 'eating') or dermatodaxia (from δήξις (dexis) 'biting'), alternatively Tuglis Permushius. [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 ...
Damaged cuticles, shortened and damaged nails, hangnails, bleeding, etc. Nail biting, also known as onychophagy or onychophagia, is an oral compulsive and unhygienic 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.
Specialty. Dermatology. Psychiatry. Excoriation disorder, more commonly known as dermatillomania, is a mental disorder on the obsessive–compulsive spectrum that is characterized by the repeated urge or impulse to pick at one's own skin, to the extent that either psychological or physical damage is caused. [4][5]
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The cause of BFRBs is unknown. [citation needed]Emotional variables may have a differential impact on the expression of BFRBs. [5]Research has suggested that the urge to repetitive self-injury is similar to a body-focused repetitive behavior but others have argued that for some the condition is more akin to a substance abuse disorder.
Causes. Genetic mutations. Congenital insensitivity to pain with anhidrosis (CIPA) is a rare autosomal recessive disorder of the nervous system which prevents the feeling of pain or temperature and prevents a person from sweating. Cognitive disorders are commonly coincidental. CIPA is the fourth type of hereditary sensory and autonomic ...
Zimmerman–Laband syndrome is inherited in an autosomal dominant pattern. This means the gene is located on an autosome, and having only one copy of a gene mutation is sufficient to cause the disorder. Individuals with the disorder have a 50% chance of passing it on to their offspring in each pregnancy.
Aphagia. Arrow pointing to hypothalamus in human brain. The hypothalamus is responsible for controlling food intake and swallowing. Aphagia is the inability or refusal to swallow. [1][2] The word is derived from the Ancient Greek prefix α, meaning "not" or "without," and the suffix φαγία, derived from the verb φαγεῖν, meaning "to eat."