Hair Definitions
Hair 2
Hair 3
Hair 4
Fibers
100
A central canal that runs through the hair.
What is the medulla?
100
The bottom of an individual hair, embedded in the follicle.
What is the hair root?
100
This is type of microscope that was used in our hair and fiber labs.
What is the light microscope?
100
This type of DNA is found in the hair shaft and strongly links a hair to a standard or reference hair?
What is Mitochondrial DNA?
100
The two broad categories for fibers.
What are natural and manufactured?
200
The patterned surface of the hair shaft.
What is the cuticle?
200
The entire hair that is clearly visible.
What is the hair shaft?
200
This type of medula is characteristic of Asian humans.
What is continuous medula?
200
The medullary index of humans.
What is less than 1/3?
200
This microscope is used for initial comparison of fibers.
What is the comparison microscope?
300
The middle layer of the hair, it contains pigments.
What is the cortex?
300
This substance give hair its color.
What is melanin?
300
A medula with a pattern in a single line.
What is Uniserial?
300
Deer and moose have this medula pattern.
What is the lattice pattern?
300
Determines the color spectrum of a fiber.
What is a visible light microspectrophotometer?
400
This ratio helps classify different type of hair and differentiate humans from other animals.
What is the medullary index?
400
The initial hair growth phase.
What is the anagen phase?
400
A medula with random shapes, no pattern.
What is a vacuolated medula?
400
Cats have this medula pattern.
What is uniserial?
400
Infared spectrophometer with a polarizing microscope.
What equipment is used to determine the chemical composition of fibers?
500
Hair grows out of this organ, an appendage of the skin.
What is the hair follicle
500
The follicular tag is a rich source of this important data.
What is hair DNA?
500
Intermittent or interrupted medulla is a regular pattern, whereas this type of medulla has segments of irregular length.
What is fragmented?
500
The medula type for rabbits.
What is interrupted?
500
Nylon, polyester, and acrylics are examples of this class of fibers.
What are synthetic fibers?
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