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6 Cards in this Set
- Front
- Back
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What is another name for a mole?
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Nevus (This is also an abnormal growth of skin cells)
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What are genetically-determined localized aggregates of melanin (produced by the sun)
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Freckles
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What are friction ridges and where are they found? Why are they useful?
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Fingers, plams, soles, and toes. They are formed from large folds and valleys of both dermal and epidermal tissue. Useful for fingerprinting because each individual has their own unique pattern
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What is Hemangioma?
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A congenital abnormality that results in skin discoloration due to blood vessels that proliferate. Some hemangiomas can lead to birthmarks that can last a lifetime.
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What is the study of friction ridge patterns called? When are they formed, describe gender differences, what does an individual with down's syndrome tend to have?
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Dermatoglyphics; friction ridge patterns are well formed by the fourth month of fetal development, Males tend to have more whorl patterns Females have more arches.
Indv with down's syndrome have a single palmar crease, known as SIMIAN CREASE |
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What is the Simian Crease?
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Indv with down's syndrome show a palmar crease as part of the friction ridges
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