Upgrade to remove ads
Only $2.99/month

Physiology & Histology of the Skin - Ch. 10 Milady's Esthetics

Terms in this set (29)

Skin histology
Skin histology is the study of the structure and composition of the skin tissue.
Physiology
Study of the functions of living organisms.
Preserving, protecting and nourishing the skin.
Primary focus of estheticians.
The functions, layers and anatomy of the skin are the foundations estheticians need to learn before caring for the skin.
What is the foundation knowledge of skin that estheticians need?
Ingredients, treatments
Understanding how the skin cell layers function is important in choosing ___ and ___ for clients.
Organ
The skin is the largest ___ in the body.
True:
The skin is also known as the integumentary system.
True/False?
The skin is an organ as well as a system.
Integumentary system
Consists of the skin. It is a strong barrier that protects us from the outside elements. Skin layers, nerves, cellular functions, hair follicles and glands all work harmoniously together to regulate and protect the body.
Proteins
The basic material and building blocks for our body's tissues are ___.
Hair
Nails
Sweat glands
Oil glands.
Appendages of the skin
Appendage
That which is attached to or part of an organ.
On the palms of hands and soles of feet.
=4mm
=1/5"
Where on the body is the skin the thickest?
Eyelids
= 1.5mm
= 1/16"
Where on the body is the skin the thinnest?
7 lbs
=3 kg
How much does the skin of an average adult weigh?
1/2 - 2/3
How much of the blood in the body is contained by the skin?
1/2
How much of the body's primary immune cells are located in the skin?
Sensation
Heat regulation
Absorption
Protection
Excretion
Secretion
(SHAPES)
Functions of the skin
Barrier function
The skin's mechanism that protects it from irritation and intercellular transepidermal water loss.
Acid mantle
The protective barrier made up of sebum, lipids, sweat and water, making a hydrolipidic film that protect the skin.
Hydrolipidic film
An oil-water balance on the skin's surface to protect the skin from drying out and from exposure to external factors.
5.5
Important to protect from pathogens and for regulating enzymatic functions.
What is the average pH of the acid mantle? Why is this important.
Transepidermal water loss
(TEWL)
The water loss caused by evaporation on the skin's surface.
Lipids
Protective oils, part of the intercellular matrix.
Intercellular matrix
Lipid fluid between the epidermal corneum cells.
Barrier layer
Damage to our ___ is the cause of many skin problems including sensitivities, aging & dehydration.
Heal itself.
The skin's most amazing feature is the ability to ___.
Epidermal growth factor (EGF)
Hormones that stimulate skin cells to reproduce and heal.
Fibroblasts
Cells that stimulate cells, collagen and amino acids that form proteins.
Melanin
Pigment that provides defense against UV rays through sun exposure.
THIS SET IS OFTEN IN FOLDERS WITH...