Chapter 14 :: Skin Barrier Flashcards
1
Q
One of the most important functions of the skin
A
form a barrier between the organism and the external environment.
2
Q
major classes of lipids in the stratum corneum
A
cholesterol, free fatty acids, and ceramides
3
Q
The metabolic intermediate of cholesterol biosynthesis; is converted to previtamin D in a photolytic reaction by UVB radiation
A
7-dehydrocholesterol
4
Q
thinner stratum corneum with low levels of natural moisturizing factors and greater transepidermal water loss
A
infant skin
5
Q
Low surface pH, High transepidermal water loss
A
Infant skin
