Hairs 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 | Any very small physical material that can be transferred from person-person, or between a person and a crime scene.
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| Cortex | The largest portion of the shaft giving you your natural hair color.
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| Cuticle | The layer of cells that cover the surface of the shaft and look 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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| Mineral Fiber | Think Earth, glass, asbestos.
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| Animal Fiber | Silk, wool, fur.
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| Vegetable Fibers | Cotton, linen, hemp.
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| Synthetic Fibers | Rayon, nylon, acetate.
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| The 4 Tests used to identify fibers | Burn test, solvent/solubility test, stain test, microscopic test.
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| The 2 collection methods: | The Tape method, and the sweeping/vacuuming method.
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| Looking for fibers: besides clothing, | Rugs, drapes, couches, pillows, etc.
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| The scales of a cuticle: | Coronal: crownlike, Spinous:petalike, triangular shape, Imbricate: flattened, what humans have.
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| The study of hair is: | Trichology
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| The hair that provides the most features for comparison: | Scalp Hair
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Created by:
kpayne925
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