Layers of the Skin
How many layers are there in the epidermis?
5
What are the three types of hair?
Lanugo, Vellus, Terminal
What are the two types of sweat glands?
Merocrine and Apocrine
Stratum Lucidum
What are the three zones along the length of hair?
Hair bulb, root, and shaft
What do merocrine (sweat) glands help regulate?
Temperature
What type of cells are found in every layer of the Epidermis?
Keratinocytes
What is the name of the muscles that cause goosebumps?
Arrector Pili
What shape are the Apocrine glands?
Coiled and tubular
What layer is missing in think skin compared to thick skin?
Stratum Lucidum
What are three functions of hair?
Protection, heat retention, sensory reception, visual identification
What do sebaceous glands secrete?
Sebum
What are the two layers of the dermis?
Papillary and Reticular
What does the hair bulb surround?
Hair Papilla
What do mammary glands produce?
Breast Milk