Ch. 7.3 Integumentary System Key Terms
What is an albino?
Answer: A person who has no melanin and very pale skin and hair.
What is a cyst?
A closed sac filled with fluid.
What is the hypodermis?
The deepest skin layer, mostly fat.
What are papules?
Small, raised bumps on the skin.
What is an ulcer?
A deep open sore in the skin.
What is alopecia?
The medical word for hair loss or baldness.
What is the dermis?
The middle layer of the skin with nerves and blood vessels.
What is the integumentary system?
The body system that includes skin, hair, and nails.
What are pustules?
Pus-filled bumps, often from acne.
What are vesicles?
Small, fluid-filled blisters.
What is constrict?
When blood vessels get smaller.
What is dilate?
When blood vessels get bigger or wider.
What are macules?
Flat spots on the skin, like freckles.
What are sebaceous glands?
Glands that produce oil for the skin and hair.
What are wheals?
Itchy, raised areas on the skin, like hives.
What are crusts?
Dried blood or pus on the skin, like scabs.
What is the epidermis?
The outer layer of the skin.
What is jaundice?
A yellow color to the skin and eyes.
What is subcutaneous?
: Located under the skin, usually referring to the fat layer.
What is cyanosis?
A bluish color of the skin from low oxygen.
What is erythema?
Redness of the skin.
What is melanin?
The pigment that gives skin and hair their color.
What are sudoriferous glands?
Glands that make sweat.