What are the alternative names for the epidermal layers?
Stratum corneum (Keratin layer)
Stratum granulosum (Granular layer)
Stratum spinosum (Prickle cell layer)
Stratum basale (Basal cell layer)
What substance caps off the DNA of basal cells to protect them from UV radiation?
The skin is metabolically active. What substances are metabolised by the skin?
Where is Vitamin D stored once it has been synthesised in the skin?
In which foods can dietary Vitamin D be obtained?