Ch. 7.3 Integumentary System
What is Albino
Person with an absence of color pigments.
What is Alopecia
Baldness, a loss of hair on the scalp.
What is Constrict
Blood vessels getting smaller due to heat.
What is Crusts
Areas of dried pus and blood, commonly called scabs.
What is Cyanosis
Bluish discoloration of the skin caused by insufficient oxygen. It can be associated with heart, lung, and circulatory diseases or disorders.
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 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 Dilate
Blood vessels getting larger due to heat.
What is Epidermis
The outermost layer of the skin, made of five smaller layers but no blood vessels or nerve cells.
Erythema
A reddish color of the skin that can be caused by either burns or a congestion of blood in the vessels.
What is Hypodermis
The innermost layer of skin, also called Subcutaneous fascia. It is made of elastic and fibrous connective tissue and adipose (fatty) tissue and connects the skin to underlying muscles.
What is Integumentary system
Skin. Covers more than 3000 square inches of surface area and accounts for about 15 percent of body weight.
What is Jaundice
A yellow discoloration of the skin, can indicate bile in the blood as a result of liver or gallbladder disease. Can also occur in conjunction with certain diseases that involve the destruction of red blood cells.
What is Macules
Flat spots on the skin, such as freckles.
What is Melanin
Brownish black pigment, produced in the epidermis by specialized cells called melanocytes.
What is Papules
Firm, raised areas such as pimples and the eruptions seen in some stages of chickenpox and syphilis.
What is Pustules
Pus-filled sacs such as those seen in acne, or pimples.
What is Sebaceous glands
Oil glands that usually open onto hair follicles. They produce sebum, an oil that keeps the skin and hair from getting dry and brittle.
What is Subcutaneous
The innermost layer of skin, also called Hypodermis. It is made of elastic and fibrous connective tissue and adipose (fatty) tissue and connects the skin to underlying muscles.
What is Sudoriferous glands
Coiled tubes that extend through the dermis and open on the surface of the skin at pores.
What is Ulcer
A deep loss of skin surface that may extend into the dermis, may cause periodic bleeding and the formation of scars.
What is Vesicles
Blisters, or fluid-filled sacs, such as those seen in chickenpox.
What is Wheals
Itchy, elevated areas with an irregular shape, examples include hives and insect bites.