key words
Albino
A person who has no pigment in the skin, hair, or eyes.
Cyst
A closed sac under the skin filled with fluid or semi-solid material.
Hypodermis
The deepest skin layer made of fat and connective tissue.
Papules
Small, raised, solid bumps.
Ulcer
A deep open sore that breaks down skin layers.
Alopecia
Loss of hair on the scalp or body.
Dermis
The skin layer beneath the epidermis that contains nerves, vessels, and glands.
Integumentary system
The system that includes the skin, hair, nails, and glands.
Pustules
Small bumps filled with pus.
Vesicles
Small, fluid-filled blisters.
Constrict
To become narrow or tight.
Dilate
To widen or open.
Jaundice
Yellow coloring of the skin, usually from liver problems.
Sebaceous glands
Oil glands that produce sebum to protect the skin and hair.
Wheals
Raised, itchy areas of skin often caused by allergies (hives).
Crusts
Dried areas of blood, pus, or fluid on the skin.
Epidermis
The outermost layer of the skin.
Macules
Flat, colored spots on the skin.
Subcutaneous
Located beneath the skin; the fatty layer under the dermis.
Cyanosis
A bluish color of the skin caused by low oxygen.
Erythema
Redness of the skin due to irritation or increased blood flow.
Melanin
Pigment that gives skin and hair their color.
Sudoriferous glands
Sweat glands that help cool the body.