A tube like depression, or pocket, in the skin or scalp that contains the hair root.
What is hair Follicle
100
Tiny grains of pigment in the cortex that give color to natural hair.
What is Melanin.
100
The resting stage of hair. This lasts 3 -6 months.
What is Telogen.
100
Sudden loss of hair in round irregular patches.
What is Alopecia Areata
100
The ability of hair to stretch and return to its original length with out breaking.
What is elasticity
200
Secrete an oily substance which lubricates the hair and skin.
What is Sebaccous glands
200
Middle layer of the hair strand. A fibrous protein core formed by elongated cells containing melanin.
What is the Cortex
200
Long thick pigmented hair found on legs, arms, scalp and body.
What is Terminal hair.
200
Itchy scalp and small white scales attached to the scalp or scattered loosely through the hair.
What is Pityriasis capitis simplex
200
Measures the number of individual hair strands on 1 square inch of the scalp.
What is hair density
300
Muscle fibers in the skin inserted in the base of the hair folicle.
What is Arrector Pili
300
Innermost layer of the hair strand, composed of round cells. Very fine or very light hair often does not contain this.
What is Medulla
300
Short fine downy unpigmented hair covering most the body except the palms of hands and soles of feet.
What is Vellus
300
Split hair ends.
What is Trichoptilosis
300
Caused by overactive sebaceous glands.
What is oily hair and scalp
400
Lowest part of the hair strand.
What is Hair Bulb
400
Provides black or brown hair.
What is Eumelanin
400
The growth phase of hair.
What is Anagen
400
Technical term for ringworm. Caused by vegetable parasites and is highly contagious.
What is Tinea
400
The ability of the hair to absorb moisture
What is porosity
500
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
500
Provides red ginger and blonde tones.
What is Pheomelanin
500
Transition phase that ends the growth phase. This lasts only one or two weeks.
What is catagen.
500
Inflammation of the subcutaneous tissue caused by staphylococci
What is carbuncle
500
Thickness or diameter of the individual hair strand