Epidermal Variations: Friction Ridges
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4 Terms
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What are friction ridges?
Folds and valleys of the dermis and epidermis on palms, soles, fingers and toes
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What is the structure of skin ridge patterns?
They are complex patterns that consist of arches, whorls and loops of pals, soles, fingers and toes
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Function of friction ridges
To increase friction on contact, which improves grip.
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How are skin ridge patterns used in identification?
Each individual has a unique pattern of friction ridges, similar to fingerprints, which can be used for personal identification.
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