Milady - Chapter 11: Properties of the Hair & Scalp

hydrogen

A _____ bond is a weak, physical, cross-link side bond easily broken by water or heat.

larger

A carbuncle is similar to a furuncle but is _____.

hypertrichosis

A condition of abnormal growth of terminal hair in areas of the boy that normally grow only vellus hair is _____.

scabies

A highly contagious skin disease caused by a parasite called a mite that burrows under the skin is _____.

cowlick

A particular pattern of hair stream that is usually more noticeable on the front hairline in people with short, thick hair is a _____.

alopecia areata

An autoimmune disorder that causes the affected hair follicles to be mistakenly attacked by a person's own immune system is _____.

extremely straight

Asians tend to have _____ hair.

less successful

Bald men are commonly perceived as _____.

one third

Because there are so many of them, salt bonds count for about _____ of the hair's overall strength.

40

By age 35, almost _____ percent of both men and women show some degree of hair loss.

is stronger than fine hair

Coarse hair _____.

more alkaline solutions

Compared to hair with high porosity, chemical services performed on hair with low porosity require_____.

exactly the same

Compared to pigmented hair, gray hair is _____.

at or before birth

Congenial canities exists _____.

can be almost any shape

Cross-sections of hair _____.

fungus

Current research confirms that dandruff is the result of a _____.

dry scalp

Dandruff can easily be mistaken for _____.

scutula

Dry, sulfur-yellow, cupcake crusts on the scalp are called _____.

anagen

During the _____ phase, new hair is produced because new cells are actively manufactured in the hair follicle.

Catagen

During which phase does the follicle canal shrink and detach from the dermal papilla?

men only

Finasteride is an oral prescription medication for hair loss that is meant for _____.

more fragile

Fine hair is _____ than coarse or medium hair.

an alkaline pH

For chemicals to penetrate a healthy cuticle hair layer, they must have _____.

soles of the feet

Hair follicles are not found on the _____.

90

Hair is approximately _____ percent protein.

coarse, medium, or fine

Hair texture is classified as _____.

hirsuties

Hypertrichosis is also known as _____.

normalizing shampoo

Oily hair and scalp can be treated by properly washing with _____.

faster

Scalp hair grows _____ on women than on men.

does not increase

Scalp massage _____ hair growth.

has no effect on hair growth

Shaving, clipping, and cutting the hair on the head _____.

hair, skin, nails, and glands

The _____ are part of the integumentary system.

medulla

The _____ is the innermost layer of the hair and is composed of round cells.

hair bulb

The _____ is the lowest part of a hair strand.

hair cuticle

The _____ is the outermost layer of the hair.

arrestor pili muscle

The _____ is the small, involuted muscle in the base of the hair follicle.

Catagen

The _____ phase signals the end of the growth phase.

hair porosity

The ability of the hair to absorb moisture is called _____.

years

The anagen phase generally lasts from three to five _____.

1/2 uscg (1.25 centimeters) per month

The average growth of healthy scalp hair is _____.

sebum

The fatty or oily substance secreted by the sebaceous glands is _____

pediculosis capitis

The infestation of the hair and scalp with head lice is called _____.

nitrogen, and sulfur

The major elements that make up human hair are carbon, oxygen, hydrogen, _____.

hair density

The measurement of the number of individual hair strands on one square inch (2.5 square centimeters) of the scalp is _____.

round

The medulla is composed of _____ cells.

cortex

The middle layer of the hair is the ____.

malassezia

The naturally occurring fungus that causes the symptoms of dandruff when it grows out of control is _____.

sebaceous

The oil glands in the skin that are connected to the hair follicles are the _____ glands.

terminal hair

The one,coarse, pigmented hair found on the scalp, legs, arms, and bodies of males and females is called _____.

hair root

The part of the hair located below the surface of the epidermis is the _____.

trichology

The scientific study of hair, its diseases, and care is called _____.

peptide bonds

The strong, chemical bonds that join amino acids are called.

monilethrix

The technical term for beaded hair is _____.

pityriasis

The technical term for dandruff is _____.

trichorrhexis nodosa

The technical term for knotted hair is _____.

tinea

The technical term for ringworm is _____.

canities

The technical term used to describe gray hair is _____.

helix

The term for the spiral shape of a coded protein is _____.

hair follicle

The tube-like depression or pocket in the skin or scalp that contains the hair root is the _____.

hair root and hair shaft

The two parts of a mature strand of human hair are the _____.

itching

Tinea is characterized by _____, scales, and sometimes, painful circular lesions.

a detangling rinse

To help minimize tangles in extremely curly hair when shampooing, you should use _____.

alopecia totalis

Total scalp hair loss is known as _____.

lanugo hair

Vellus hair is also known as _____.

50 percent

Wet hair with normal elasticity will stretch up to _____ of its original length and return to that length without breaking.

a whorl

When hair leaves the follicles at an angle and forms patterns or streams on the head, it is called _____.

keratinization

When the living cells o her form ad begin their journey upward through the hair follicle, they mature in a process called _____.

Dermal Papila

Which of the five main structures of the hair root contain the blood and were supply that provides the nutrients needed for hair growth?

Vellus

Which type of hair almost never has a medulla?

Pheomelanin

Which type of melanin provides natural colors ranging from red and ginger to yellow and blond tones?