hAIR AND FIBERS
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Trace evidence | is very small physical material that can be transferred from person to person or between a person and a crime scene.
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| cortex | the largest protin of the shaft giving you the hair color that you have (naturally, at lest)
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| cuticle | the layer of cells that cover the surface of the shaft and looks like scales on a fish or even roofing tiles.
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| Medulla | cells that run down the center of the cortex like a canal.
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| Medullary index is greater than 0.5 | Animal
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| Medullary index is around 0.3 | human
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| The study of hair is known as | trichology
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| Which hairs provide the most features for comparison to other hairs | scalp hair
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| Example of trace evidence | hair, dirt, fibers.plant etc.
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| 3 medulla patterns are | continous,interrupted, fragmented
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| Hair is best for anaylysis | scalp
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| The hair itself contains many | toxine (like arsenic)and you can extract DNA from the follicle.
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| Classification of fibers are | Mineral, Animal, vegatable,synthetic.
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Created by:
Shahida
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