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Hair

Hair. Trace Evidence. Hair is composed of Hair is produced by. What is hair?. Hair is common. You can not determine Nuclear DNA. Why is hair useful?. The hair shaft is composed of three parts: The cuticle: The cortex: The medulla:. Morphology of Human Hair. Identified three ways:

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Hair

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  1. Hair Trace Evidence

  2. Hair is composed of • Hair is produced by What is hair?

  3. Hair is common. • You can not determine • Nuclear DNA Why is hair useful?

  4. The hair shaft is composed of three parts: • The cuticle: • The cortex: • The medulla: Morphology of Human Hair

  5. Identified three ways: • Coronal (crown-like): • Spinous (petal-like): • Imbricate: Cuticle

  6. Can be identified four different ways: • Continuous • Interrupted • Fragmented • No medulla Medulla

  7. Identified three ways: • Cortical fusi • Pigment granules • Ovoid bodies Cortex

  8. Cortical fusi Pigment granules Ovoid bodies

  9. Use tweezers to collect and place evidence in the middle of a druggist fold. • Fold and tuck the paper so the evidence is secure. • Place the paper in an envelope and seal. Make sure to label the envelope appropriately. Collection and Preservation

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