Hair Root Structure
A tube like depression, or pocket, in the skin or scalp that contains the hair root.
What is hair Follicle
Tiny grains of pigment in the cortex that give color to natural hair.
What is Melanin.
The resting stage of hair. This lasts 3 -6 months.
What is Telogen.
Sudden loss of hair in round irregular patches.
What is Alopecia Areata
The ability of hair to stretch and return to its original length with out breaking.
What is elasticity
Middle layer of the hair strand.
What is the Cortex
Long thick pigmented hair found on legs, arms, scalp and body.
What is Terminal hair.
Itchy scalp and small white scales attached to the scalp or scattered loosely through the hair.
What is Pityriasis capitis simplex
Measures the number of individual hair strands on 1 square inch of the scalp.
What is hair density
Muscle fibers in the skin inserted in the base of the hair folicle.
What is Arrector Pili
Innermost layer of the hair strand
What is Medulla
Short fine downy unpigmented hair covering most the body except the palms of hands and soles of feet.
What is Vellus
Split hair ends.
What is Trichoptilosis
Caused by overactive sebaceous glands.
What is oily hair and scalp
Lowest part of the hair strand.
What is Hair Bulb
Provides black or brown hair.
What is Eumelanin
The growth phase of hair.
What is Anagen
Technical term for ringworm
What is Tinea
The ability of the hair to absorb moisture
What is porosity
A small cone shaped elevation located at the base of the hair follicle that fits into the hair bulb; it contains the blood and nerve supply that provides nutrients needed for growth.
What is Dermal Papilla
Provides red ginger and blonde tones.
What is Pheomelanin
Transition phase that ends the growth phase. This lasts only one or two weeks.
What is catagen.
Inflammation of the subcutaneous tissue caused by staphylococci
What is carbuncle
Thickness or diameter of the individual hair strand
What is hair texture