BIOMED 1.1.3 FingerPrints and Hair

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Last updated 4:08 PM on 5/13/26
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14 Terms

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<p>Which major ridge pattern is this?</p>

Which major ridge pattern is this?

Arch

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<p>Which major ridge pattern is this?</p>

Which major ridge pattern is this?

Tented Arch

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<p>Which major ridge pattern is this?</p>

Which major ridge pattern is this?

Loop

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<p>Which major ridge pattern is this?</p>

Which major ridge pattern is this?

Whorl

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Minutiae

the specific points where ridges end or divide

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Latent fingerprint

invisible and require enhancement from powder and chemicals

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Patent fingerprint

visible because formed by blood, ink, and dirt

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Twelve point match

12+ matching minutiae confirm matching fingerprints

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Why are fingerprints left when you touch a surface?

fingers deposit sweat and oils onto surface

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3 hair shafts

cuticle, cortex, medulla

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Cuticle

outermost layer of hair

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Cortex

intermediate layer of hair

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Medulla

innermost layer of hair

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What is keratin and where is it found in the human body?

Fibrous structural protein: found in hair, nails, and skin