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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 ...
Russell's sign, named after British psychiatrist Gerald Russell, is a sign [1] defined as calluses on the knuckles [2] or back of the hand due to repeated self-induced vomiting over long periods of time. The condition generally arises from the patient's knuckles making contact with the incisor teeth during the act of inducing the gag reflex at ...
One form of the mnemonic is done by counting on the knuckles of one's hand to remember the number of days in each month. [1] Knuckles are counted as 31 days, depressions between knuckles as 30 (or 28/29) days. One starts with the little finger knuckle as January, and one finger or depression at a time is counted towards the index finger knuckle ...
Constant knuckle cracking may also be considered a compulsive body-focused repetitive behavior by mental health professionals. “If you’re finding that you need to crack your knuckles often ...
As a salute, the fingertips touch the brow of the head. As a sign the hand is held at shoulder height. The term "three-finger salute" is also applied in a joking way to the finger. Thumbs Up and Thumbs Down are common gestures of approval or disapproval made by extending the thumb upward or downward.
An upper limb neurological examination is part of the neurological examination, and is used to assess the motor and sensory neurons which supply the upper limbs. This assessment helps to detect any impairment of the nervous system, being used both as a screening and an investigative tool. The examination findings when combined with a detailed ...
Hoffmann's reflex (Hoffmann's sign, sometimes simply Hoffmann's, or finger flexor reflex) [1] is a neurological examination finding elicited by a reflex test which can help verify the presence or absence of issues arising from the corticospinal tract. It is named after neurologist Johann Hoffmann. [2] Usually considered a pathological reflex in ...
Pulmonology. Nail clubbing, also known as digital clubbing or clubbing, is a deformity of the finger or toe nails associated with a number of diseases, anomalies and defects, some congenital. This is mostly of the heart and lungs. [ 2 ][ 3 ] When it occurs together with joint effusions, joint pains, and abnormal skin and bone growth it is known ...