Chapter 10 Milady's Esthetics
Phytoestrogens
Come from plants
Nicotine
Contracts blood vessels
Eumelanin
Dark brown to black in color
Lymph
Does not supply nutrients to the skin
Melanin production
Exposure to sunlight stimulates
90%
How much hard keratin does hair contain
Absorbtion
Is NOT a method by which the body maintains thermoregulation
Intercellular matrix
Is found between epidermal cells
Stratum granulosum
Is known as the grainy layer.
Langerhans immune cells
Protect the body from infection by identifying foreign materials
Acid mantle
Protective barrier made up of sebum lipids sweat and water.
Keratin fiber protein
Provides resiliency and protection to the skin
Pheomelanin
Red to yellow in color
Sebaceous glands
Secrete oil
Fibroblast
Stimulate cells
EGF epidermal growth factor
Stimulates cells to reproduce and heal
28 days
The average adult skin cell turnover rate is
Stratum germinitivum
The bottom layer of the epidermis
Arrector pili
The muscle that contracts when a person is cold causing goose bumps
Skin Histology
The study of the structure and composition of the skin tissue.
UVB
The type of ultraviolet radiation known as the burning ray
Pheomelanin and eumelanin
Two types of melanin
Slightly Acidic
A characteristic of healthy skin
Barrier function
A protective barrier of the epidermis , protects the surface from irritation and dehydration or TEWL ( trans epidermal water loss)
Sebum
An oily substance that protects the surface of the skin and lubricates both the skin and hair
Pore
An opening for a sweat gland
Proteins
Are the basic building blocks for body tissues.
