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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.
of or pertaining to a finger, toe Greek δάκτυλος (dáktulos), finger, toe dactylology, polydactyly: de-from, down, or away from Latin de-dehydrate, demonetize, demotion dent-of or pertaining to teeth Latin dens, dentis, tooth dentifrice, dentist, dentition, dental dermat(o)-, derm(o)-of or pertaining to the skin
Mechanoreceptor. A mechanoreceptor, also called mechanoceptor, is a sensory receptor that responds to mechanical pressure or distortion. Mechanoreceptors are innervated by sensory neurons that convert mechanical pressure into electrical signals that, in animals, are sent to the central nervous system .
Eating utensil etiquette. Various customary etiquette practices exist regarding the placement and use of eating utensils in social settings. These practices vary from culture to culture. Fork etiquette, for example, differs in Europe, the United States, and Southeast Asia, and continues to change. In East Asian cultures, a variety of etiquette ...
It is a subset of the sensory nervous system, which also includes the visual, auditory, olfactory, gustatory and vestibular senses. In physiology touch is called the Somatosensory system, a network of neural structures in the brain and body that produce the perception of touch ( haptic perception ), as well as temperature ( thermoception ...
Human digits. Radiogram of a polydactyl left hand. Mikhail Tal at the 1961 European chess championship. Humans normally have five digits on each extremity. Each digit is formed by several bones called phalanges, surrounded by soft tissue. Human fingers normally have a nail at the distal phalanx.
The capitate bone is a bone in the human wrist found in the center of the carpal bone region, located at the distal end of the radius and ulna bones. It articulates with the third metacarpal bone (the middle finger) and forms the third carpometacarpal joint. The capitate bone is the largest of the carpal bones in the human hand.
Regions. facial region includes the lower half of the head beginning below the ears. The forehead is referred to as the frontal region. The eyes are referred to as the orbital or ocular region. The cheeks are referred to as the buccal region. The ears are referred to as the auricle or otic region. The nose is referred to as the nasal region.