Chapter 4 Integumentary System Flashcards
(33 cards)
Dermatologist
One who specializes in the study of skin hair and nails
Dermat/o = skin
-logist = one who specializes in
Cyst
Nodule filled with a semisolid material
Cyst/o = sac, bladder
Ecchymosis
Hemorrhage or leaking of blood into the subcutaneous tissue (bruise)
Ec- = out
Chym/o = juice
-osis = abnormal condition
Hematoma
Collection of extravasated blood trapped in the tissues and palpable to the examiner
Hemat/o = blood
-oma = tumor, mass
Macule
Flat blemish or discoloration less than 1cm (ex. Freckle)
Macul/o = spot
Nodule
Palpable, solid lesion less than 2cm (ex. small lipoma)
nod/o = know
-ule = small, tiny
Papule
raised solid skin lesion raised less than 1cm (ex. pimple)
papul/o = pimple
Patch
large, flat, nonpalpable macule, larger than 1cm (ex. large birthmark)
Petechia
tiny ecchymosis within the dermal layer (small red or purple dots)
Plaque
raised plateaulike papule greater than 1cm (psoriatic lesion or seborrheic keratosis)
Purpura
massive hemorrhage into the tissues under the skin
purpur/o = purple
Pustule
superficial, elevated lesion containing pus that may be the result of an infection (ex. acne)
Telangiectasia
Permanent dilation of groups of superficial capillaries and venules
Telangiectases are aka spider veins
tel/e = far
angi/o = vessel
-ectasia = dilation
Tumor
nodule more than 2cm, any mass or swelling including neoplasms
Vesicle
circumscribed, elevated lesion containing fluid and smaller than 0.5 cm (ex. insect bite)
vesicul/o = blister or small sac
Bulla
insect bite larger than 0.5cm
aka blister
Wheal
circumscribed, elevated papule caused by localized edema, which can result from a bug bite
Hives result from an allergic reaction
Atrophy
paper-thin, wasted skin often occurring in the ages or as stretch marks from rapid weight gain
a- = no, not, without
troph/o = development
y- = process
Cicatrix
area of fibrous tissue that replaces normal skin after destruction of some of the dermis (Aka: scar)
Eschar
Dried serum, blood, and/or pus
may occur in inflammatory and infectious diseases, like impetigo or result of a burn (Aka: skab)
eschar/o = scab
Fissure
crack-like lesion of the skin, such as an anal fissure
Keloid
Type of scar that is an overgrowth of tissue at the site of injury in excess of the amount of tissue necessary to repair the wound. The extra tissue is partially due to an accumulation of collagen at the site
Ulcer
Circumscribed craterlike lesion of the skin or mucous membrane resulting from necrosis (neck KROH sis), or tissue death, that can accompany an inflammatory, infectious, or malignant process
Ex. a decubitus ulcer seen sometimes in bedridden patients
Anhidrosis
a condition in which a person produces little or no sweat
An- = no, not, without
hidr/o - sweating
-osis = abnormal condition