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