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Hair Definitions
Hair 2
Hair 3
Hair 4
Hair structure
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
Melanin granules in the cortex give the hair this quality.
What is its color?
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 substance can be used to make an impression of a hair.
What is clear nail polish?
200
The medullary index of humans.
What is less than 1/3?
200
The hair shaft is composed of these three parts.
What are the cuticle, cortex, and medulla?
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 continuous?
300
The rate of human hair growth each month.
What is 1.3cm?
300
This is the outer layer of the hair follicle.
What is the cuticle?
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 interrupted medula?
400
This could be attached to hair that was forcefully removed.
What is follicular tag?
400
This is the period of active hair growth.
What is the anagen stage?
500
Hair grows out of this organ, an appendage of the skin.
What is the hair follicle
500
The hair root 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
This is detected by neutron activation analysis of hair.
What is silver?
500
This protein makes up the majority of the cortex of hair.
What is the keratin?