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Med Language Ch. 7

Turley - Dermatology

dermat/o- skin
integument/o skin
cutane/o skin
epi- upon;above
theli/o- cellular layer
derm/o skin
ex- out; away from
foli/o leaf
subcutaneous loose connective tissue beneath the skin
adip/o- fat
lip/o- lipid (fat)
lun/o- moon
-ula small thing
-crine thing that secretes
sebum oil (secreted from a duct into a hair follicle)
sebaceous pertaining to sebum
perspiration sweat; or, the process of sweating
anaphylaxis severe systemic allergic reaction
systemic the body as a whole
allergen cells from plant and animal sources which cause an allergic reaction
keratin hard protein found in the cells of the outermost epidermis and the nails
exfoliation normal process of the constant shedding of dead skin cells from the most superficial part of the epidermis
collagen firm, white protein connective tissue fibers throughout the dermis
cuticle layer of dead skin that arises from the epidermis at the proximal end of the nail
exocrine gland type of gland that secretes substances through a duct
dermatome area of the skin that sends sensory information through one neuron to the spinal cord
epithelium tissue category that includes the epidermis and all of its structures
melanocyte pigment containing cell in the epidermis that produces melaning, a dark brown or black pigment that gives color to the skin and hair
local reation allergic reaction that takes place on an area of skin that was exposed to an allergen
mast cells cells in the connective tissue that release histamine during an allergic reaction
per- through; throughout
percutaneous through the skin
edema excessive amounts of fluid move from the blood into the dermis or subcutaneous tissue causing swelling
hemorrhage bleeding (often used when rapid or uncontrollable)
contusion any size of hemorrhage under the skin; bruise
ecchymosis blood in the tissues; bruise (3 cm or larger)
petechiae pinpoint hemorrhages in the skin from ruptured capillaries
hematoma an elevated, localized collection of blood under the skin
neoplasm any benign or malignant new growth
pruritis itching
cyanosis bluish purple discoloration of the skin secondary to decreased level of oxygen
erythema reddish discoloration of the skin
xeroderma excessive dryness of the skin
necrosis gray to black discoloration of the skine where the tissue has died
pallor unnatural paleness due to lack of blood supply to the tissue
vitiligo an autoimmune disease in which the melanocytes are slowly destroyed in irregular and ever enlarging areas
gangrene necrosis with subsequent bacterial infection
keloid firm, abnormally large scar that is bigger than the original injury
abrasion sliding injury that mechanically removes the epidermis
blister a fluid filled sac with a thin, transparent covering of epidermis
callus repetitive rubbing injury that causes the epidermis to gradually thicken in a wide, elevated pad.
decubitis ulcer damage to the skin caused by constant pressure causing decreased blood flow to the area; (pressure sore or bed sore)
excoriation superficial injury with a sharp object that creates a linear scratch in the skin
laceration deep, penetrating wound
abscess localized, pus-containing pocket caused by a bacterial infections
cellulitis spreading inflammation and infection of the connective tissues
verruca wart; rough, irregular skin cause by the human papilloma virus
pediculosis lice infestation
scabies infestation of parasitic mites that tunnel under the skin and produce vesicles that are itchy
tinea fungal skin infection (multiple types and areas of infection)
urticaria hives; condition of raided areas of redness and edema that appear suddenly and may also disappear rapidly
wheal a raised area of redness and edema
welt a large wheal
lipoma benign fatty tumor
nevus benign skin lesion that is present at birth and comes in a variety of colors and shapes
hemangioma congenital growth composed of a mass of superfical and dilated blood vessels
freckle benign, pigmented flat macule that develops after sun exposure
diaphoresis profuse sweating
hirsutism excessive, dark hair growth
fistula abnormal passageway between structures in the body, or from an internal structure to the surface
paronychia bacterial infection of the skin next to the cuticle
debridement procedure in which necrotic (dead) tissue is removed from a burn, ulcer or wound.
biopsy removal of a specimen of tissue which is then examined by a pathologist for diagnosis