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29 Cards in this Set
- Front
- Back
alopecia
|
the technical name for hair |
|
alopecia areata
|
the sudden falling out
of hair in patches or spots |
|
alopecia premature
|
hair loss that
occurs before middle age |
|
alopecia senile
|
hair loss occurring in |
|
alopecia syphilitica
|
hair loss as a result |
|
amino acids
|
the building blocks or
units of structure in protein |
|
anagen phase
|
growth phase in the hair cycle
|
|
androgenic alopecia
|
hair loss that
occurs as a result of genetics, age, and hormonal changes; male pattern baldness |
|
arrector pili
|
involuntary muscle fiber
attached to the follicle |
|
canities
|
technical term for gray hair
|
|
carbuncle
|
the result of an acute,
deep-seated bacterial infection in the subcutaneous tissue |
|
catagen phase
|
transition phase of the
hair growth cycle |
|
cortex
|
middle layer of the hair shaft
|
|
cowlick
|
tuft of hair that stands
straight up |
|
cuticle
|
outermost layer of the hair shaft
|
|
dermal papilla
|
small, cone-shaped
elevation located at the base of the hair follicle that fits into the hair bulb |
|
disulfide bond
|
also known as a sulfur
bond; a type of chemical cross bond found in the hair cortex |
|
end bonds
|
also known as peptide
bonds; chemical bonds that join amino acids end to end |
|
eumelanin
|
melanin that gives brown
and black color to hair |
|
follicle
|
tubelike depression in the skin
that contains the hair root |
|
folliculitis barbae
|
also known as
barber's itch; a bacterial infection of the hair follicles with inflamed pustules in the bearded areas of the face and neck; may have hairs growing through the pustule |
|
furuncle
|
an acute bacterial infection
of a hair follicle, producing constant pain; also known as a boil |
|
hair bulb
|
club-shaped structure that
forms the lower part of the hair root |
|
hair density
|
the amount of hair per
square inch of scalp |
|
hair elasticity
|
the ability of the hair
to stretch and return to its original length |
|
hair porosity
|
the ability of the hair to
absorb moisture |
|
hair root
|
the part of the hair that is
encased in the hair follicle |
|
hair shaft
|
the part of the hair that
extends beyond the skin |
|
hair stream
|
hair that flows in the same
direction |