Question: what are the five layers of the epidermis and their functions?
Answer: Stratum Basale or Basal Layer. The deepest layer of the epidermis is called the stratum basale, sometimes called the stratum germinativum. ... 
Stratum Spinosum or the Spiny layer. This layer gives the epidermis its strength. ... 
Stratum Granulosum or the Granular Layer. ... 
Stratum Lucidum. ... 
Stratum Corneum.