Ch. 7.3 Key Terms
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?
the innermost layer. It is made of elastic and fibrous connective tissue and adipose (fatty) tissue and connects the skin to underlying muscles.
what is papules?
firm, raised areas such as pimples and the eruptions seen in some stages of chickenpox and syphilis
what is Ulcer?
an open lesion of the skin or mucous membrane, resulting in tissue loss.
What is Alopecia?
baldness, a loss of hair on the scalp.
what is Dermis?
his 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?
skin
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 Constrict?
get smaller
what is dilate?
get larger
what is Jaundice?
a yellow discoloration of the skin, can indicate bile in the blood as a result of liver or gallbladder disease.
what is sebaceous glands?
oil glands that usually open onto hair follicles.
what is Wheals?
itchy, elevated areas with an irregular shape; hives and insect bites are examples
what is Crusts?
areas of dried pus and blood, commonly
what is Epidermis?
the outermost layer of skin.
what is Macules?
flat spots on the skin, such as freckles
what is Subcutaneous?
the innermost layer
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 Melanin?
A brownish black pigment produced in the epidermis by specialized cells called melanocytes.
what is sudoriferous glands?
(sweat glands) are coiled tubes that extend through the dermis and open on the surface of the skin at pores.