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15 Cards in this Set

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Trichology
The scientific study of hair, it's diseases,and care.
Integument
The outer covering that encloses the entire body.
Hair Root
The part of the hair located below the surface of the scalp.
Follicle
The tube-like depressionor pocket in the skin or scalp that contains the hair root.
Hair bulb
The lowest area or part of a hair strand.
Dermal Papilla
A small,cone-shaped elevation located at the base of the hair follicle that fits into the hair bulb.
Arrector Pili
Involuntary muscle fiber in the skin inserted in the based of the hair follicle.
Sebaceous Glands
The oil glands of the skin, connected to the hair follicles.
Hair Shaft
The portion of the hair that projects above the skin.
Cuticle
The outermost layer of hair.
Cortex
The middle layer of the hair.
Medulla
The innermost layer, sometimes referred to as the pith of the hair.
Keratinization
The process of being keratinized; as newly formed cells in the hair mature, they fill up with keratin, move upward, lose their nucleus, and die; the hair shaft is a nonliving fiber composed of keratinized protein.
COHNS elements
The five elements tha make up human hair (carbon, oxygen, hydrogen, nitrogen, and sulfur)
Amino Acids
The units of structure in protein, are linked together end to end like pop beads.