Produce keratin; a fibrous protein that gives the epidermis its durability and protective capabilities
What is the function of melanocytes?
Produce melanin; a brown-to-black pigment, which provides a protective pigment umbrella over the nuclei of the cells in the deeper epidermis layers, thus shielding their genetic material from damaging effects of UV radiation from the sun.
What is the function of a tactile(Merkel) cell?
Serve as touch receptors.
There is a bond between these cells and the sensory nerve endings called tactile or Merkel discs located at the epidermis-dermis junction
What is the function of dendritic(Langerhans) cells?
Play a role in immunity.
First line of defense against foreign substances
Name the layers of the epidermis from deep to superficial.
Stratum Basale
Stratum Spinosum
Stratum Granulosum
Stratum Lucidum( thick skin only)
Stratum Corneum
What are the layers of the dermis from deep to superficial?