Cortex (hair)
Encyclopedia
The cortex of the hair shaft is located between the hair cuticle and medulla
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Medulla (hair)
-Importance in forensics:Hair can easily be discredited as belonging to a human with the presence of medulla. Most other mammals possess one which is easily visible under a microscope. Humans of Middle-Eastern origin, however, do, in fact, possess a thin, less visible medulla...
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