35 terms

Cosmetology Ch. 11 pt. 2

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Terms in this set (...)

Alopecia
Abnormal hair loss
Androgenic Alopecia
Hair loss characterized by miniaturization of terminal hair that is converted to vellus hair
alopecia areata
Autoimmune disorder that causes the affected hair follicles to be mistakenly attached by a persons own immune system; usually begins with one or more small, round, smooth bald patches on the scalp
Alopecia totalis
Total loss of scalp hair
Alopecia universalis
Complete loss of body hair
Postpartum alopecia
Temporary hair loss experienced towards the end and after the pregnancy
Monoxidil
Topical medication that is put on the scalp twice a day and has been proven to stimulate hair growth
Finasteride
Oral prescription medication for men only
Canities
Technical term for gray hair; results from the loss of the hairs natural melanin pigment
Ringed hair
Variety of canities characterized by alternating bands of gray and pigmented hair throughout the length of the hair strand
Hypertrichosis
Condition of abnormal growth of hair; characterized by the growth of terminal hair in areas of the body that normally grow only vellus hair
Trichoptilosis
Technical term for split ends
Trichorrhexis Nodosa
Technical term for knotted hair; it is characterized by brittleness and the formation of nodular swellings along the hair shaft
Monilethrix
Technical term for beaded hair
Fragilitas crinium
Technical term for brittle hair
Congenital canities
Exists at for before birth. Occurs in albinos
Acquired canities
Develops with age and is the result if genetics
pityriasis
Technical term for dandruff; characterized by excessive production and accumulation of skin cells
Malassezia
Naturally occurring fungus that is present on all human skin, but is responsible for dandruff when it grows out of control
pityriasis capitis simplex
Technical term for classic dandruff; characterized by scalp irritation, large flakes, and itchy scalp
Pityriasis Steatoides
Severe cause of dandruff characterized by an accumulation of greasy or waxy scales mixed with sebum that stick to the scalp aim crusts
tinea
Technical term for ringworm- a contagious condition caused by fungal infection and not a parasite; characterized by itching, scales, and something, painful lesions
Tinea favosa
Fungal infection characterized by dry, sulfur- yellow, cuplike crusts on the scalp called scutula
Scutula
Dry, sulfur-yellow, cup-like crusts on the scalp in tinea favosa or tinea favus.
Furuncle
boil; acute, localized bacterial infection of the hair follicle that produces constant pain
carbuncle
Inflammation of the subcutaneous tissue caused by staphylococci; similar to a furuncle but larger
Hair texture
Thickness or diameter of the individual hair strand
Hair density
The number of individual hair strands on 1 square inch of scalp
Hair porosity
Ability of the hair to absorb moisture
Hydrophilic
Easily absorbs moisture; in chemistry terms, capable of combining with or attracting water
Hydrophobic
Naturally resistant to being penetrated by moisture
Hair elasticity
Ability of the hair to stretch and return to its original length without breaking
Hair stream
Hair flowing in the same direction, resulting from follicles sloping in the same direction
Whorl
Hair that forms in a circular pattern on the crown of the head
Cowlick
Tuft of hair that stands straight up