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Hypoesthesia originating in (and extending centrally from) the feet, fingers, navel, and/or lips is one of the common symptoms of beriberi, [7] which is a set of symptoms caused by thiamine deficiency.
Pallesthesia (\ˌpal-es-ˈthē-zh(ē-)ə\), or vibratory sensation, is the ability to perceive vibration. [1] [2] This sensation, often conducted through skin and bone, is usually generated by mechanoreceptors such as Pacinian corpuscles, Merkel disk receptors, and tactile corpuscles. [1]
In this sense the term is synonymous with the English expression of "keeping one's finger on the pulse", and was expressed in the 18th and 19th centuries as "having a feel for combat". The term is only figurative , and cannot in itself give a realistic picture of the ability being described.
When Smith has an attack, her fingers become white, then yellow and eventually blue. Her toes and ears do the same. If she tries to grab something with her hand, she can’t feel it.
Ulnar neuropathy at the cubital tunnel is diagnosed based on characteristic symptoms and signs. Intermittent or static numbness in the small finger and ulnar half of the ring finger, weakness or atrophy of the first dorsal interosseous, positive Tinel sign over the ulnar nerve proximal to the cubital tunnel, and positive elbow flexion test (elicitation of paresthesia in the small and ring ...
A patient and doctor discuss congenital insensitivity to pain. For people with this disorder, cognition and sensation are otherwise normal; for instance, patients can still feel discriminative touch (though not always temperature [3]), and there are generally no detectable physical abnormalities.
Dermatophagia (from Ancient Greek δέρμα (derma) 'skin' and φαγεία (phageia) 'eating') or dermatodaxia (from δήξις (dexis) 'biting') [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers.
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