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Hair Root Structure
Hair Structure
Hair Growth
Hair and Scalp Disorders
Hair Analysis
100
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

What is hair texture