Layers of the Skin
Outermost layer of the skin.
What is the epidermis?
The skin is the body’s first line of ______.
What is defense/protection?
These glands produce sweat.
What are sudoriferous glands?
Pigment that gives skin its color.
What is melanin?
The two functions of blood vessels in the dermis.
What is provide nourishment and help maintain temperature control
Middle layer that contains nerves and blood vessels.
What is the dermis?
This system helps regulate body temperature.
What is the integumentary system?
These glands produce oil (sebum).
What are sebaceous glands?
Protein that makes skin, hair, and nails strong.
What is keratin?
Nails protect these body parts.
What are fingertips and toes?
Bottom layer that contains fat tissue for insulation.
What is the hypodermis (subcutaneous)?
Name one way the skin helps regulate temperature.
What is sweating OR blood vessel dilation/constriction?
Skin loses this amount of H2O each day.
What is at least 500ml?
Protein in the dermis that gives skin strength and elasticity.
What is collagen?
This means redness
What is erythema?
This layer contains sweat glands and sebaceous glands.
What is the dermis?
The skin contains these to help us sense touch, pain, and pressure.
What are nerve endings/receptors?
This gland secretes ear wax
What are ceruminous glands?
People with more of this pigment have darker skin.
What is melanin?
Tiny muscle attached to hair shaft
What is arrector pili?
True or False: The epidermis is the thickest layer of skin.
False – the dermis is the thickest.
Name two functions of the integumentary system besides protection.
What is...Any two: temperature regulation, sensory reception, vitamin D production, excretion (sweat)?
Skin has hair that is called
What is pilus?
These cells produce pigment
What are melanocytes?
Each square inch of skin has this amount of sebaceous glands
What is about 2,000?