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Dermatoglyphics (from Ancient Greek derma, "skin", and glyph, "carving") is the scientific study of fingerprints, lines, mounts and shapes of hands, as distinct from the superficially similar pseudoscience of palmistry. Dermatoglyphics also refers to the making of naturally occurring ridges on certain body parts, namely palms, fingers, soles ...
“Washing your hands too often strips your skin of its natural oils and emollients, resulting in dryness and even hand eczema, which can cause nail changes,” says Dr. González. The same goes ...
In Dupuytren's contracture, the palmar fascia within the hand becomes abnormally thick, which can cause the fingers to curl and can impair finger function. The main function of the palmar fascia is to increase grip strength; thus, over time, Dupuytren's contracture decreases a person's ability to hold objects and use the hand in many different ...
Habit-tic deformity is recognizable for its horizontal ridges that create a fir-tree shape. [2] Discoloration along the affected area of the nail is also common. The condition is not to be confused with median nail dystrophy , a similar but rarer condition which additionally includes a canal-like vertical ridge.
In reality, your nails can give you a glimpse into your overall health.
The Swiss patient, and eight of her relatives who also had the mutation, all had "flat finger pads and a reduced number of sweat glands in the hands". [7] Other conditions can cause a lack of fingerprints, but unlike them, adermatoglyphia has no side effects. [8]
Wrinkles on the face and hands are a typical sign of aging A wrinkle , also known as a rhytid , is a fold, ridge or crease in an otherwise smooth surface, such as on skin or fabric . Skin wrinkles typically appear as a result of ageing processes such as glycation , [ 1 ] habitual sleeping positions, [ 2 ] loss of body mass, sun damage, [ 3 ] or ...
dull percussion sound over Traube's space: Trendelenburg's sign: Friedrich Trendelenburg: neurology: inferior gluteal palsy, other causes of hip abductors weakness: pelvic tilt contralateral to 'stance leg' Troisier's sign: Charles Emile Troisier: internal medicine, oncology: Various abdominal malignancies, especially stomach cancer