Layers of the Skin
How many total layers of the epidermis are there?
What is 5?
What type of specialized cells in the epidermis produce the pigment melanin?
What is Melanocytes?
What type of hair is fine and unpigmented?
What is Lanugo Hair?
When talking about the 5 layers of the skin. What is the name of the layer that is only found on the palms and soles of the feet?
What is Stratum Lucidum?
Tactile (Merkel) Cells are found in the Stratum Basale layer along with sensory nerve endings. What is the function of Merkel Cells?
What is a sensory receptor for light touch?
When talking about the 3 zones of a hair, what is the portion that extends beyond the surface of the skin?
What is the Shaft?
It's known that the layers of the epidermis contain different types of cells. What type of cells found in the Stratum Basale region are large stem cells?
What are Keratinocytes?
It's known that Melanin is distributed to keratinocytes. What is the name of the granules that transfer pigments into keratinocytes?
What are Melanosomes?
Typically, we normally lose 10-100 hairs per day. But what is the name of the autoimmune disorder in which follicles are attacked, leading to patches of baldness on the scalp and body?
What is Alopecia areata?