Skin Basics
This is the largest organ of the human body.
What is the skin?
This is the outermost layer of the epidermis.
What is the stratum corneum?
This function of the skin keeps the body from injury and bacteria.
What is protection?
These cells produce skin pigment.
What are melanocytes?
These keratin structures grow from follicles in the dermis.
What are hair?
This protein gives skin its strength and structure.
What is collagen?
This layer is also known as the "basal layer."
What is the stratum basale (or stratum germinativum)?
The skin regulates this to maintain internal balance.
What is body temperature?
This pigment gives skin its color and protects from UV rays.
What is melanin?
These glands produce sebum to lubricate the skin.
What are sebaceous glands?
This protein gives skin its elasticity and flexibility.
What is elastin?
This is the thickest layer of the dermis.
What is the reticular layer?
This function allows the skin to release water, salt, and toxins.
What is excretion?
These immune cells in the skin help detect invaders.
What are Langerhans cells?
These openings on the skin’s surface allow sweat to exit.
What are pores?
These glands excrete perspiration and detoxify the body.
What are sudoriferous glands?
This epidermal layer is found only on the palms and soles.
What is the stratum lucidum?
The skin absorbs these types of substances through its pores.
What are lipid-soluble substances?
These cells produce keratin in the epidermis.
What are keratinocytes?
This part of the hair anchors it into the skin.
What is the hair follicle?
This layer of the skin contains no blood vessels.
What is the epidermis?
This fatty layer beneath the dermis gives contour and protection.
What is the subcutaneous layer?
This function involves nerve endings that respond to heat, cold, and pressure.
What is sensation?
This term describes uneven melanin distribution or dark patches.
What is hyperpigmentation?
These small involuntary muscles cause goosebumps.
What are arrector pili muscles?