CH. 07 KEY TERMS
ALBINO
a person with an absence of color pigments
CYST
a closed sac with a distinct membrane that develops abnormally in the body structure
HYPODERMIS
The innermost layer is made of elastic and fibrous connective tissue and adipose tissue
PAPULES
firm, raised areas such as pimples and eruptions in stages, like chickenpox
ULCER
a deep loss of skin surface that may extend into the dermis, which can cause periodic bleeding and the formation of scars
ALOPECIA
loss of hair on the scalp
DERMIS
also called corium, has a framework of elastic connective tissue and contains many vessels
INTEGUMENTARY SYSTEM
skin that accounts for 15 percent of the total body weight
PUSTULES
pus-filled sacs such as those seen in acne or pimples
VESICLES
blisters or fluid-filled sacs such as those seen in chickenpox
CONSTRICT
when blood vessels get smaller
DILATE
when blood vessels get larger
JAUNDICE
a yellow discoloration of the skin that indicates bile in the blood as a result of disease in the liver or gallbladder.
SEBACEOUS GLANDS
oil glands that usually open onto hair follicles
WHEALS
itchy, elevated areas with an irregular shape; hives or bites
CRUSTS
areas of dried pus and blood (scabs)
EPIDERMIS
the outermost layer of the skin
MACULES
flat spots on the skin, such as freckles
SUBCUTANEOUS
the innermost layer made of elastic and fibrous connective tissue and adipose tissue
CYANOSIS
a bluish discoloration of the skin caused by insufficient oxygen
ERYTHEMA
a reddish color of the skin that is caused by burns or a congestion of blood in the vessels
MELANIN
a brownish black pigment produced in the epidermis
SUDORIFEROUS GLANDS
coiled tubes that extend through the dermis and open on the surface of the skin at pores