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11 Cards in this Set
- Front
- Back
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when a drug enters hair it goes through these phases |
blood---papilla---root----cortex/shaft |
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Anagen |
-5 years -most conman 80-90% -hair is attached to the follicle tissue/blood |
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Catagen |
-2-3 weeks -hair detaches from the blood supply |
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Telogen |
-2-3 weeks -rounded, shaped, eroded bulb little pigment and no dna |
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nucleotide DNA |
Unique to an individual except for identical twins - found in the nucleotide of cells |
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mitochondrial DNA |
the same in all family members, only from the mother -found in the mitochondria |
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follicle tags have: |
nucleotide and mitochondrial DNA |
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how fast does hair grow |
1.3 cm/month |
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where in a seized hair would the latest drug use be. where would be the oldest? |
the closest to the root closest to the tip |
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how many days are in a month |
30 |
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what is the problem with microscopic analysis of hair |
to high of a percentage error and to many potential matches |
