Ch. 7.3 Integumentary System Key Terms
a person with little or no skin, hair, or eye pigment due to a lack of melanin.
Albino
a closed sac with a distinct membrane that contains fluid or semisolid material
Cyst
the deepest layer of skin
Hypodermis
small, raised, firm bumps on the skin
Papules
small, fluid - filled sac or blisters
Vesicles
loss or absence of hair; baldness
Alopecia
the middle, thick layer of skin containing blood vessels, nerves, glands, and hair follicles
Dermis
the body system consisting of skin, hair, nails, and glands
Integumentary system
small pus filled bumps, acne
Patsules
raised, itchy area of the skin
wheals
to become smaller or narrower; blood vessels get smaller
Constrict
to widen or open; blood vessels become larger
Dilate
yellow discoloration of the skin caused by liver problems or bile buildup
Jaundice
oil glands in the skin that produce sebum to keep the skin moist
Sebaceous glands
dried pus or blood on the skin; scabs
Crusts
the outmost layer of the skin
Epidermis
flare spots on the skin, such as freckles
Macules
sweat glands that help regulate body temperature and excrete waste
Sudoriferous glands
bluish discoloration of the skin caused by lack of oxygen
Cyanosis
redness of the skin due to increased blood flow
Erythema
skin pigment produced by melanocytes
Melanin
a deep loss of skin surface that may bleed and form a scar
Ulcer