intro to normal wound healing

Question 1

what re the layers of the skin

Answer 1

Two distinct layers
Epidermis
Dermis

Dermal-Epidermal
Junction
Aka Basement membrane

Subcutaneous
Aka hypodermis

Question 2

what is the epidermis?

Answer 2

Thin stratified epithelium
Range from 0.06 to 0.6mm
0.4-0.6mm over palms of hands and soles of feet
Gives rise to hard keratinized structures (nails, hair)
Cellular, avascular, water resistant
Composed of 5 layers
90% Keratinocytes (synthesize keratin)
Contains melanin

Question 3

what are the 5 layers of the epidermis?

Answer 3

Stratum corneum
Stratum lucidum
Stratum granulosum
Stratum spinosum
Stratum basale