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Flashcards in 11. Hair And Scalp Deck (69)
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1
Q

Tricholigy

A

THe scientific study of hair, it’s disease and care

2
Q

Mature strand

A

Two parts are the hairs roots and hair shaft of human hair

3
Q

Hair follicle

A

The tube like depression or pocket in the skin or scalp that contains the hair root

4
Q

Hair follicles

A

Are not found in the soles of the feet

5
Q

Arrector pili muscle

A

The small involuntary muscle in the base of the hair follicle

6
Q

Sebum

A

The darth or oily substance secreted by the sebaceous glands

7
Q

Healthy cuticle

A

For chemicals to penetrate the hair layer must have the alkaline pit

8
Q

Medulla

A

Composed of round cells

9
Q

Anlagen phase

A

New hair is produced Becuase new cells are actively manufactured in the hair follicle

10
Q

Anagen phase

A

New hair is produced because new cells are actively manufactured in the hair follicle

11
Q

Major elements

A

That make up human hair are carbon oxygen hydrogen nitrogen and sulfur

12
Q

Peptide bonds

A

The strong chemical bonds that Join amino acids

13
Q

Pheomelanin

A

Provides natural colors ranging from red and finger to yellow and blond tones

14
Q

Asians

A

Tend to have extremely straight hair

15
Q

Minimize tangles

A

Use a detangling rinse when shampooing extremely curly hair

16
Q

Hair texture

A

Classified as course medium or fine

17
Q

Hair density

A

The measurement of the number of individual hair strands on kne square inch of the scalp

18
Q

Chemical services

A

Performed on hair with low proprietary required more alanine solutions

19
Q

Wet hair

A

With normal elasticity will stretch up to 50% of its original length and return to that length with out breaking

20
Q

Normalizing shampoo

A

Can treat oily hair and scalp by properly washing

21
Q

Vellus

A

Type of hair that almost never has a medulla

22
Q

Cartagena phase

A

The follicle canal shrink and detach from the dermal papilla

23
Q

Healthy scalp

A

The average growth is 1/2” per mo

24
Q

Canities

A

Grey hair

25
Q

Hypertrichosis

A

A condition of abnormal growth of terminal hair in areas of the body that normally grow only Vellus hair

26
Q

Pityriasis

A

Dandruff

27
Q

Dermal papilla

A

One of the main structures of the hair root that contains the blood and nerve supply that provides the nutrients needed for hair growth

28
Q

Salt bonds

A

Account for about 1/3 of the hairs overall strength

29
Q

Anlagen phase

A

Generally lasts from 3 to 5 years

30
Q

Scalp hair

A

Grows faster on woman than on men

31
Q

Catagen phase

A

The follicle canal shrank and detach from the dermal papilla

32
Q

Scalp massage

A

Does not increase hair growth g

33
Q

Gray hair

A

Exactly the same as pigmented hair

34
Q

Cross sections

A

Of hair can be almost any shape

35
Q

Bald men

A

Commonly perceived as less successful

36
Q

By age 35

A

Almost 40% of both men and woman show some degree of hair loss

37
Q

Finasteride

A

Oral prescription medication for hair loss that is meant for men only

38
Q

Congenital Canities

A

Exsist at or before birth

39
Q

Dandruff

A

Can easily be mistaken for dry scalp; result of fungus

40
Q

Keratinization

A

When the living cells of hair form and begin their journey upward through the hair follicle and they mature in a process

41
Q

Tinea

A

Characterized by itching, scales and sometimes painful circular lesions

42
Q

Pediculosis capitis

A

Head lice

43
Q

Carbuncle

A

Similar to a furuncle but is larger

44
Q

Fine hair

A

Is more fragile than course or medium hair

45
Q

Course hair

A

Stronger than fine hair

46
Q

Hair cuticle

A

The outermost layer of the hair

47
Q

Sebaceous gland

A

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

48
Q

Hydrogen bonds

A

A weak physical cross link side bond easily broken by water or heat

49
Q

Hair

A

Approx 90% protein

50
Q

Alopecia totalis

A

Total scalp hair loss

51
Q

Hypertrichosis

A

Another name is hirsuties

52
Q

Malassezia

A

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

53
Q

Hair bulb

A

The lowest part of the hair strand

54
Q

Monilethrix

A

Beaded hair

55
Q

Scabies

A

A highly contagious skin disease cause by a parasite called a more that borrows under the skin

56
Q

Helix

A

Spiral shape of a coil pattern

57
Q

Hair growth

A

Is not effected by shaving, clipping or cutting the hair on the head

58
Q

Scutula

A

Dry sulfer- yellow, crusts on the scalp

59
Q

Integumentary system

A

Hair skin nails and glands are part of this system

60
Q

Terminal hair

A

The long course pigmented hair found in the scalp legs arms and bodies of males and females

61
Q

Trichorrhexis nodosa

A

Knotted hair

62
Q

Medulla

A

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

63
Q

Whorl

A

When hair leaves the follicles at the angle and forms patterns or streams on the head

64
Q

Cowlick

A

A particular pattern of hair stream that is aurally more noticeable on the front hairline in people with short thick hair

65
Q

Hair porosity

A

The ability of the hair to absorb moisture

66
Q

Cortex

A

The middle layer of the hair

67
Q

Alopecia areata

A

An auto immune disorder that causes the affected hair follicles to be mistakenly attacked by a persons own immune system

68
Q

Vellus hair

A

Lanugo hair

69
Q

Tinea

A

Ring worm