Structure and Composition
The muscle attached to the base of the hair follicle
Arrector Pili Muscle
Hydrogen Bonds are broken by these
Water or heat
Thickness or diameter of an individual hair strand
Course medium and fine
Gray Hair
Canities
Pityriasis
Dandruff
The lowest part of the hair strand, characterized by a club-shaped structure.
Hair Bulb
Hydrogen bonds are reformed by
Drying or cooling
Measures the number of individual hair strands on one square inch
low, medium, or high (Also known as thin, medium, or thick/dense)
Growth of terminal in sites that usually contain vellus hair.
Hypertrichosis/Hirsuties
Tinea Capitis
Ringworm
Tube-like depression or pocket in the skin or scalp that contains the hair root.
Hair Follicle
Salt Bonds are broken by
Change in pH, strong alkaline or acid solutions
The ability of hair to absorb moisture.
Porosity
Split Ends
Trichoptilosis
Pediculosis Capitis
Head Lice
A small, cone-shaped elevation located at the base of the hair follicle that fits into the hair bulb.
Dermal Papilla
Salt bonds are reformed by
Normalizing pH
Hair flow in the same direction, resulting from follicles sloping
Hair stream
Beaded Hair
Monilethrix
Parasitic Infections
Scabies
The oil glands in the skin connected to the hair follicles.
Sebaceous Glands
Disulfide bonds are broken and reformed by
Thio perms/hydroxide/Extreme heat
Oxidation with Neutralizer
Fine hairs that grow on the body
Vellus
Brittle Hair
Fragilitas Crinium
Furuncle
Boil