Layers of the Skin
This is the outermost layer of the epidermis, made of keratinized cells.
These cells produce keratin, a protein that gives skin strength.
What are keratinocytes?
These glands secrete sebum to lubricate the skin and hair.
What are the sebaceous glands?
This is the skin’s main function, keeping harmful substances out.
What is protection?
The skin is the body’s largest _____.
What is organ?
This layer contains melanocytes, which give skin its pigment.
What is the stratum germinativum (basal layer)?
These immune cells protect the body from pathogens in the skin.
What are Langerhans cells?
These sweat glands are associated with body odor and are found in the underarms and genital area.
What are the eccrine glands
The skin helps regulate this by sweating and adjusting blood flow.
What is body temperature?
This protein provides firmness and structure in the skin.
What is collagen?
The dermis is divided into these two layers.
Answer: What are the papillary and reticular layers?
This type of cell produces the pigment melanin.
What are melanocytes?
These sweat glands are associated with body odor and are found in the underarms and genital area.
What are apocrine glands?
The skin can absorb small amounts of products through this process.
What is absorption?
This layer of the dermis contains nerve endings, capillaries, and touch receptors.
What is the papillary layer?
This is the deepest layer of the skin that contains fat for insulation and protection
What is the subcutaneous layer (hypodermis)?
These sensory nerve endings are especially sensitive to touch.
What are Merkel cells
These appendages grow from follicles and help protect the body.
What is hair?
The skin excretes this substance to eliminate waste.
What is sweat?
Goosebumps are caused by these tiny muscles attached to hair follicles.
What are arrector pili muscle?
This clear layer is only found on the palms of the hands and soles of the feet.
What is the stratum lucidum?
This protein gives skin its elasticity.
Elastin
These appendages are plates of hardened keratin.
What are nails?
The skin makes this vitamin when exposed to sunlight.
What is vitamin D?
The average adult has this many square feet of skin.
What is 20 square feet (approx.)?