Alopecia
Abnormal hair loss
Alopecia Areata
The sudden falling out of hair in patches or spots - autoimmune disorder
Alopecia
... [Show More] prematura
Hair loss that occurs before middle age
Alopecia senilis
Hair loss occurring in old age
Alopecia syphilitica
Hair loss as a result of syphilis
alopecia totalis
total loss of scalp hair
alopecia universalis
complete loss of body hair
amino acids
the building blocks of proteins
anagen phase
(growth phase) phase during which new hair is produced.
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 that signals the end of the growth phase
Cortex
Middle layer of the hair shaft
Cowlick
Tuft of hair that stands straight up
Cuticle
Outermost layer of the hair shaft
Cysteine
An amino acid with a sulfur atom (S) that joins together two peptide strands.
dermal papilla
small cone shaped elevation located at the base of the hair follicle that fits into the hair bulb
disulfide bonds
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
fragilitas crinium
technical term for brittle hair
furnucle
Exquisitely painful, reddened, infected hair follicle. 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 without braking [Show Less]