Dermatology

Question 1

What are the layers of the skin?

Answer 1

Epidermis – acts as a barrier to external environment
o Stratum corneum
o Stratum lucidum
o Stratum granulosum
o Stratum spinosum
o Stratum basale
o Basement membrane
Dermis – contains nerves, hair roots, sweat and oil glands, and blood vessels
Hypodermis – contains fat, blood vessels and connective tissue that helps maintain body temperature

Question 2

There are many causes of skin blistering. What autoimmune causes are there?

Answer 2

Intraepidermal - Pemphigus vulgaris
Subepidermal - Bullous pemphigoid, pemphigoid gestationis, mucous membrane pemphigoid, Linear IgA disease, epidermolysis bullosa acquisita, and dermatitis herpetiformis