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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 ...
In humans, a single transverse palmar crease is a single crease that extends across the palm of the hand, formed by the fusion of the two palmar creases.Although it is found more frequently in persons with several abnormal medical conditions, it is not predictive of any of these conditions since it is also found in persons with no abnormal medical conditions.
Tripe palms, also known as acanthosis palmaris, is a medical sign characterized by thick ridged velvety palms, typically as part of a paraneoplastic syndrome. [1] It resembles the lining of the stomach of some animals ( tripe ). [ 2 ]
A palmar crease is a type of crease on the palm. A single transverse palmar crease also called simian crease is sometimes associated with Down syndrome. [1] Other types of creases include the Sydney crease and the Suwon, or double transverse palmar crease. [2] Analysis of palmar creases is not very objective on the contrary to fingerprint ...
Arachnodactyly ("spider fingers") is a medical condition that is characterized by fingers and toes that are abnormally long and slender, in comparison to the palm of the hand and arch of the foot. In some cases, the thumbs of an individual with the condition are pulled inwards towards the palm. This condition is present at birth.
A palm print is an image acquired of the palm region of the hand. It can be either an online image (i.e. taken by a scanner or CCD) or offline image where the image is taken with ink and paper. [1] The palm itself consists of principal lines, wrinkles (secondary lines), and epidermal ridges.
Acral fibrokeratoma, also known as an acquired digital fibrokeratoma, and acquired periungual fibrokeratoma [1]: 668 is a skin lesion characterized by a pinkish, hyperkeratotic, hornlike projection occurring on a finger, toe, or palm. [2]: 609 [3]: 1817
Clinodactyly is a medical term describing the curvature of a digit (a finger or toe) in the plane of the palm, most commonly the fifth finger (the "little finger") towards the adjacent fourth finger (the "ring finger").