Cosmetology Milady's Ch 9 Properties Of The Hair And Scalp

Front 1

ALOPECIA

Back 1

Abnormal hair loss.

Front 2

ALOPECIA AREATA

Back 2

The sudden falling out of ahir in round patches or baldness in spots; may occur on the scalp and elsewhere on the body.

Front 3

AMINO ACIDS

Back 3

Units that are joined together end to end by peptide bonds to form the polypeptide chains that comprise proteins.

Front 4

ANAGEN

Back 4

Growth phase in the hair cycle in which a new hair shaft is created.

Front 5

ANDROGENIC ALOPECIA

Back 5

Hair loss characterized by miniaturization of terminal hair which is converted to vellus hair; in men, it is known ad male pattern baldness.

Front 6

ARRECTOR PILI

Back 6

Minute, involuntary muscle in the base of the hair follicle that causes "goose bumps".

Front 7

CANITIES

Back 7

Technical term for gray hair; results from the loss of the hair's natural melanin pigment.

Front 8

CARBUNCLE

Back 8

Inflammation of the subcutaneous tissue caused by staphylococci; similar to a furuncle but larger.

Front 9

CATAGEN

Back 9

The brief transition period between the growth and resting phases of a hair follicle.

Front 10

COHNS elements

Back 10

The five elements that make up human hair, skin, tissue and nails (CARBON, OXYGEN, HYDROGEN, NITROGEN and SULFUR).

Front 11

CORTEX

Back 11

Middle layer of the hair; a fibrous protein core formed by elongated cells containing melanin pigment.

Front 12

COWLICK

Back 12

Tuft of hair that stands straight up.

Front 13

CUTICLE

Back 13

Outermost layer of hair, consisting of a single, overlapping layer of transparent, scale-like cells.

Front 14

DERMAL PAPILLA

Back 14

Small, cone-shaped elevation located at the base of the hair follicle that fits into the hair bulb.

Front 15

DISULFIDE BOND

Back 15

Strong chemical side bonds that join the sulfur atoms of two neighboring cysteine amino acids to create cystine, which joins together two polypeptide strands like rungs on a ladder.

Front 16

EUMELANIN

Back 16

Melanin that gives brown and black color to hair.

Front 17

FOLLICLE

Back 17

Tube-like depression or pocket in the skin or scalp that contains the hair root.

Front 18

FRAGILITAS CRINIUM

Back 18

Technical term for brittle hair.

Front 19

FURUNCLE

Back 19

Boil; acute, localized bacterial infection of the hair follicle.

Front 20

HAIR BULB

Back 20

Lowest part of a hair strand; the thickened, club-shaped structure that forms the lower part of the hair root.

Front 21

HAIR DENSITY

Back 21

The number of individual hair strands found on 1 square inch of scalp.

Front 22

HAIR ELASTICITY

Back 22

Ability of the hair to stretch and return to its original length without breaking.

Front 23

HAIR POROSITY

Back 23

Ability of the hair to absorb moisture.

Front 24

HAIR ROOT

Back 24

The part of the hair contained within the follicle, below the surface of the scalp.

Front 25

HAIR SHAFT

Back 25

The portion of hair that projects beyond the skin.

Front 26

HAIR STREAM

Back 26

Hair flowing in the same direction, resulting from follicles sloping in the same direction.

Front 27

HAIR TEXTURE

Back 27

Thickness or diameter of the individual hair strands.

Front 28

HELIX

Back 28

Spiral shape created by polypeptide chains that intertwine around each other.

Front 29

HYDROGEN BOND

Back 29

Weak physical side bond that is easily broken by water or heat.

Front 30

HYPERTRICHOSIS (HIRSUTIES)

Back 30

Condition of abnormal growth of hair, characterized by the growth of terminal hair in areas of the body that normally grow only vellus hair.

Front 31

INTEGUMENT

Back 31

Largest and fastest growing organ of the body; composed of the hair, skin and nails.

Front 32

KERATINIZATION

Back 32

Process by which newly formed cells in the hair bulb mature, fill with keratin, move upward, lose their nucleus, and die.

Front 33

MALASSEZIA

Back 33

Naturally occurring fungus that is present on all human skin, and is responsible for dandruff.

Front 34

MEDULLA

Back 34

Innermost layer of the hair, composed of round cells, often absent in fine hair.

Front 35

MELANIN

Back 35

Tiny grains of pigment in the cortex that give natural color to the hair.

Front 36

MONILETHRIX

Back 36

Technical term for beaded hair.

Front 37

PEDICULOSIS CAPITIS

Back 37

Infestation of the hair and scalp with head lice.

Front 38

PEPTIDE BOND OR END BOND

Back 38

Chemical bond that joins amino acids to each other, end to end, to form a polypeptide chain.

Front 39

PHEOMELANIN

Back 39

Melanin that provides natural hair colors from red and ginger to yellow/blond tones.

Front 40

PITYRIASIS

Back 40

Dandruff; an inflammation of the skin characterized by the formation and flaking of fine, thin scales.

Front 41

PITYRIASIS CAPITIS SIMPLEX

Back 41

Technical term for classic dandruff; characterized by scalp irritation, large flakes.

Front 42

PITYRIASIS STEATOIDES

Back 42

Scalp inflammation marked by fatty (greasy or waxy) types of dandruff.

Front 43

POLYPEPTIDE CHAIN

Back 43

Long chain of amino acids linked by peptide bonds.

Front 44

POSTPARTUM ALOPECIA

Back 44

Temporary hair loss experienced at the conclusion of a pregnancy.

Front 45

RINGED HAIR

Back 45

Variety of canities characterized by alternating gray and pigmented hair throughout the length of the hair strand.

Front 46

SALT BOND

Back 46

A weak, temporary side bond between adjacent polypeptide chains.

Front 47

SCABIES

Back 47

Highly contagious disease caused by mites that burrow under the skin.

Front 48

SCUTULA

Back 48

Dry, sulfur-yellow, cup-like crusts on the scalp in tinea favosa or favus

Front 49

SEBACEOUS GLANDS

Back 49

Oil glands of the skin connected to hair follicles.

Front 50

SEBORRHEIC DERMATITIS

Back 50

Medical term for pityriasis steatoides accompanied by redness and inflammation.

Front 51

SEBUM

Back 51

Oily secretion of the sebaceous glands, which lubricates the hair and skin.

Front 52

TELOGEN

Back 52

Resting phase; the final phase int eh hair cycle that lasts until the fully grown hair is shed.

Front 53

TERMINAL HAIR

Back 53

Long hair found on the scalp, as well as on legs, arms, and body of both males and females.

Front 54

TINEA

Back 54

Medical term for ringworm, a contagious condition causd by fungal infection.

Front 55

TINEA CAPITIS

Back 55

Fungal infection of the scalp characterized by red papules, or spots at the opening of the hair follicles.

Front 56

TINEA FAVOSA (TINEA FAVUS)

Back 56

Fungal infection characterized by dry, sulfur-yellow, cup-like crusts on the scalp, called scutula.

Front 57

TRICHOLOGY

Back 57

Science dealing with the study of hair, its diseases, and care.

Front 58

TRICHOPTILOSIS

Back 58

Technical term for split ends.

Front 59

TRICHORRHEXIS NODOSA

Back 59

Knotted hair characterized by brittleness and the formation of nodular swellings along the hair shaft.

Front 60

VELLUS OR LANUGO

Back 60

Short, fine, unpigmented downy hair that appears on the body, with the exception of the palms of the hands and soles of the feet.

Front 61

WAVE PATTERN

Back 61

Amount of "movement" in the hair strand; described as straight, wavy curly, and extremely curly.

Front 62

WHORL

Back 62

Hair that forms in a circular pattern, as on the crown.