Big Little Things
What are the 2 main categories for hair
shaft and follicle
What color are Ms. S's new curtains in her living room?
destructive
The outer portion of hair containing the scales is the
cuticle
class evidence
This part of the hair contains DNA
follicle
Name one of the functions of hair
Protection, less friction, sensory, camouflage
yeah I don't know what else to ask
Ms. S is awesome
This is the best way to package and transport hair and fiber evidence
wrap in a paper bindle, then a paper envelope
Textiles/Fibers are ______ - produced, which make then class evidence.
mass produced
The medullary index of human hair is ______ the medullary index of most other animals.
less than
What is the part of the hair shaft that takes of the majority of space?
cortex
The central canal running through many hairs is known as the
medulla
This is considered the most common synthetic fiber
Rayon
What color hair was Ms. S born with?
bright blonde
What are the 6 regions hair can be collected from a body?
head, eyes/eyebrows, mustache/ beard, body hair, pubic region, underarms.
Name 3 types of natural fibers
Fiberglass, cashmere, cotton, hemp, jute, asbestos, argyle, wool
Name 3 types of synthetic fibers
rayon, nylon, polyester, spandex, acetate, acrylic
If a medullary index is .32, would this most likely be human or animal hair?
human
Name all 3 of Ms. S's animals
Whinney, Goose, and Moose
The cuticle of hair is useful for identifying the
species
What is the name of the hair that is found all over babies in utero and something post birth?
Lanugo
How can forensic scientists determine whether a hair is forcibly removed or naturally fallen out?
By examining the root of the hair
True or False: Chemical tests can provide a history of the use of drugs and other toxins, and other substances absorbed into your skin.
True
What is the primary difference between synthetic and natural fibers?
Synthetic is man-made, natural is found in nature