functions of the skin
Name all 6 primary functions of the skin
Protection. Absorption. Secretion. Excretion. Regulation. Sensation.
What are the three main layers of the skin?
Epidermis
Dermis
Subcutaneous
What are the 5 types of tissues?
Epithelial
Connective
Muscular
Nerve
Liquid
Two types of sweat glands
Apocrine glands
Eccrine glands
Difference between furuncle and carbuncle
Furuncle-1 hair follicle, 1 boil
Carbuncle- many hair follicles, group of boils
What helps assist the skin in preforming the 6 functions?
Pores
What is keratin?
Protein that contains carbon, oxygen, hydrogen, nitrogen, and sulfur
Where are the 5 types of tissues found?
Epithelial- epidermis
Connective- dermis
Muscular- muscles
Nerve- nerves
Liquid- blood and lymph
Where are the apocrine and eccrine glands located
Apocrine: arms, genitals, nipples
Eccrine: thru out entire body
Other name for freckle
Macule
What provides the body with its first line of defense against infection ?
Immune cells such as langerhans
What are the other names for Epidermis, Dermis, Subcutaneous?
Epidermis: cuticle or scarf
Dermis: derma, curium, cutis, or true skin
Subcutaneous: subcutis, or subdermis
The 4 examples of connective tissues?
Collagen and elastin
Ligaments
Tendons
Cartilage
Sebaceous glands location
Attached to upper third of hair follicle, located in the dermis
Four primary ways products are absorbed into the skin
Through the pores
Through the hair follicles
Through intercellular cement
Through sebaceous and suderiferous glands
What prevents bacteria from invading the skin?
Secretion
Name all 5 layers of the epidermis, starting at the lowest level
Stratum germinativum
Stratum spinosum
Stratum granulosum
Stratum lucidum
Stratum Corneum (top layer)
The 4 connective tissues functions are
Collagen and elastin: attach epidermis to subcutaneous
Ligaments: hold bones to bones
Tendons: tie muscles to bones
Cartilage: lines parts of bones
the amount of sebum in influenced by
Androgen (hormone presented in both men and women)
The 4 types of acne are, and which can not be treated by esthetician
Grade 1. Mild
Grade 2. Moderate
Grade 3. Moderately severe-can not treat
Grade 4. Severe- can not treat
What does each of the 6 primary functions do?
Protection- shields from toxins
Absorption- absorbs vitamins, acids, water, and oxygen
Secretion- prevents bacteria from invading the skin.
Excretion- waste removal system
Regulation- internal temp
Sensation- nerve end fibers
Components of the dermis, and there functions
Fiberblast cells: formation of fibers
Elastin: forms elastic tissue
Collagen: structure to the skin
10 types of skin cells
Epithelial cells
Keratinocytes
Melanocytes
Basel cells
Adipose
Fibroblast
Langerhans cells
Desmosomes
Hemidesmosomes
Markell cells
One square inch of skin contains approximately what kind of receptors and how many?
1250 pain receptors
155 pressure
12 cold and heat
Name The ABCDs of skin cancer
A=asymmetry
B=border
C=color
D=diameter