Angeleen's Hair Website
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Parts of the Hair
Cuticle
Medulla
Cortex
Caucasian, Mongoloid, and Negroid
Human vs. Animal
Individual vs. Class Evidence
Case
References
Human Hair
Consistent in hair color and pigmentation through the shaft of the hair
Medulla
Amorphous: without definite characteristics in appearance
Width of medulla is usually less than 1/3 of the diameter of the hair shaft
Animal Hair
Can have color changes in short distances also known as banding.
Medullas in animal hair are normally continuous
Structured
Width of medulla is larger than 1/3 of the diameter of the hair shaft