Ch. 7.2 Integumentary System ame
What is albino?
A person with an absence of color pigments.
What is cyst?
A closed sac with a distinct membrane that develops abnormally in a body structure; usually filled with a semisolid material.
What is hypodermis?
Also called subcutaneous fascia; the innermost layer of skin, made of elastic and fibrous connective tissue and adipose (fatty) tissue, which connects the skin to underlying muscles.
What is pustules?
Pus-filled sacs such as those seen in acne, or pimples.
What is vesicles?
Blisters, or fluid-filled sacs, such as those seen in chickenpox.
What is alopecia?
Baldness; a loss of hair on the scalp.
What is dermis?
Also called corium, or "true skin"; this layer has a framework of elastic connective tissue and contains blood vessels, lymph vessels, nerves, involuntary muscle, sweat and oil glands, and hair follicles.
What is integumentary system?
The skin; on an average adult, it covers more than 3,000 square inches and accounts for about 15 percent of total body weight.
What is sebaceous glands?
Oil glands that usually open onto hair follicles and produce sebum, an oil that keeps the skin and hair from becoming dry and brittle.
What is wheals?
Itchy, elevated areas with an irregular shape; hives and insect bites are examples
What is constrict?
To get smaller; when blood vessels constrict, heat is retained in the body.
What is dilate?
To get larger; when blood vessels dilate, excess heat from the blood can escape through the skin.
What is jaundice?
A yellow discoloration of the skin, which can indicate bile in the blood as a result of liver or gallbladder disease.
What is subctaneous?
Refers to the subcutaneous fascia or hypodermis, the innermost layer of skin.
What is crusts?
Areas of dried pus and blood, commonly called scabs.
What is epidermis?
The outermost layer of skin.
What is melanin?
A brownish black pigment produced in the epidermis by specialized cells called melanocytes.
What is sudoriferous glands?
Sweat glands; coiled tubes that extend through the dermis and open on the surface of the skin at pores.
What is cyanosis?
A bluish discoloration of the skin caused by insufficient oxygen.
What is erythema?
A reddish color of the skin that can be caused by either burns or a congestion of blood in the vessels.
What is papules?
(Papular rash) firm, raised areas such as pimples and the eruptions seen in some stages of chickenpox and syphilis.
What is ucler?
A deep loss of skin surface that may extend into the dermis; may cause periodic bleeding and the formation of scars.