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Chapter 11 Properties of the Hair and Scalp
Properties of the Hair and Scalp
50
Cosmetology
Graduate
03/02/2015

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Term
Trichology
Definition
The scientific study of hair, its diseases, and care is called:
Term
Hair Shaft and Hair Root
Definition
The two parts of a mature strand of human hair are the:
Term
Follicle
Definition
The tube-like depression or pocket in the skin or scalp that contains the hair root is the:
Term
Soles of the Feet
Definition
Hair follicles are not found on the:
Term
Arrector Pili
Definition
The is a tiny, involuntary muscle in the base of the hair follicle.
Term
Sebum
Definition
An oily substance secreted from the sebaceous glands is:
Term
An Alkaline pH
Definition
For chemicals to penetrate a healthy cuticle hair layer, they must have:
Term
Round
Definition
The medulla is composed of cells.
Term
Keratinization
Definition
The process whereby living cells mature and begin their journey up the hair shaft is:
Term
Nitrogen and Sulfur
Definition
The five main elements that make up the chemical composition of human hair are carbon, oxygen, hydrogen, and:
Term
Peptide Bonds
Definition
The chemical bonds that hold together the amino acid molecules are called:
Term
Pheomelanin
Definition
What type of melanin provides natural colors ranging from red and ginger to yellow and blond tones?
Term
Extremely Straight Hair
Definition
Asians tend to have:
Term
A Detangling Rinse
Definition
To help minimize tangles in extremely curly hair when washing, you should use:
Term
Coarse, Medium, or Fine
Definition
Hair texture is classified as:
Term
Hair Density
Definition
The measurement of individual hair strands on 1 square inch (2.5 square centimeters) of the scalp is:
Term
More Alkaline Solutions
Definition
Compared to hair with high porosity, chemical services performed on hair with low porosity require:
Term
50%
Definition
Wet hair with normal elasticity will stretch up to of its original length.
Term
With Normalizing Shampoo
Definition
Oily scalp and hair can be treated by properly washing it:
Term
Vellus
Definition
What type of hair almost never has a medulla?
Term
Anagen
Definition
The growth phase during which new hair is produced is:
Term
1/2 inch (1.25 cm) per month
Definition
The average growth of healthy scalp hair is:
Term
Canities
Definition
The technical term used to describe gray hair is:
Term
Hypertrichosis
Definition
A condition of abnormal hair growth on areas of the body is:
Term
Pityriasis
Definition
The medical term for dandruff is:
Term
Amino Acids
Definition
The body can produce 11 of the 20 that make up hair.
Term
One-Third
Definition
Salt bonds account for about of the hair's overall strength.
Term
Years
Definition
The anagen phase generally lasts from three to five:
Term
Faster
Definition
Scalp hair grows on women than on men.
Term
Catagen
Definition
The phase signals the end of the growth phase.
Term
Does Not Affect
Definition
Scalp massage hair growth.
Term
Neither Coarser Nor More Resistant
Definition
Compared to pigments hair, gray hair is:
Term
Can Be Almost Any Shape
Definition
Cross-sections of hair:
Term
Less Successful
Definition
Bald men are commonly perceived as:
Term
40
Definition
By age 35, almost percent of both men and women show some degree of hair loss.
Term
Men Only
Definition
Finasteride is an oral prescription medication for hair loss that is meant for:
Term
At or Before Birth
Definition
Congenital canities manifests:
Term
Dry Scalp
Definition
Dandruff can easily be mistaken for:
Term
Fungus
Definition
Dandruff is believed to be caused by a:
Term
Tinea Barbae
Definition
The most frequently encountered fungal infection resulting from hair services is:
Term
Itching
Definition
Tinea is characterized by:
Term
Pediculosis Capitis
Definition
The infestation of the hair and scalp with head lice is called:
Term
Larger
Definition
A carbuncle is similar to a furuncle, but is:
Term
More Fragile
Definition
Fine hair is than coarse or medium hair.
Term
Is Stronger Than Fine Hair
Definition
Coarse hair:
Term
Hair Cuticle
Definition
The is the outermost layer of hair.
Term
Sebaceous
Definition
The oil glands in the skin that are connected to the hair follicles are the glands.
Term
Hydrogen
Definition
A bond is a physical bond easily broken by water or heat.
Term
90
Definition
Hair is approximately percent protein.
Term
Alopecia Totalis
Definition
Total scalp hair loss is known as:
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