Types of Hair | Forensic Science Notes

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Hello everyone!
In this video, I have described a different type of hair which includes hair from different parts of the body example scalp hair, pubic hair, axillary hair, beard hair, limb hair, etc. Hair present on different body locations has different characteristics and on the basis of that, we can determine the type of hair found at the crime scene.
Other than this I have also discussed the type of hair on the basis of race i.e, caucasoid hair, negroid hair, and mongoloid hair. Negroid hair are thin and almost flat in cross-section (tape-like), with a tendency to very tight curls. Sometimes it grows in tiny clumps, called peppercorn hair. African hair grows the slowest, at about 0.9 cm a day. Its angle of growth is very small, nearly parallel to the scalp. In color, it is nearly always black in Africans. Naturally colored African hair has densely distributed pigment granules (hair shaft may be opaque) that are arranged in prominent clumps. Caucasian hair are slightly irregular oval shape in cross-section. It can to ruler-straight, curly as an Africans, and every degree of curl between. It has the widest range of colors; black, auburn, shades of fair and brown to a near white blond. The hair grows out of the skull at an oblique angle, at a rate of about 1.2 cm a month. the pigment granules are sparse to moderately dense with fairly even distribution. Mongoloid hair grows the fastest at an average of 1.3 cm a month. It is more circular in cross-section, although not perfectly regular. It grows out of the scalp at a right angle. The pigment granules are densely distributed and often arranged in large patchy areas or streaks. it is nearly always black.
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