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Medical terminology chap 3 and 4
Exploring Medical Language 7th edition. Understand be Understood
166
Medical
Undergraduate 1
10/20/2010

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Term
anter/o
Definition
front
Term
caud/o
Definition
tail (downward)
Term
cephal/o
Definition
head (upward)
Term
dist/o
Definition
away from the point of attachment
Term
dors/o
Definition
back
Term
infer/o
Definition
below
Term
later/o
Definition
side
Term
medi/o
Definition
middle
Term
poster/o
Definition
back/behind
Term
proxim/o
Definition
near the point of attachment
Term
super/o
Definition
above
Term
ventr/o
Definition
belly
Term
caudad
Definition
toward the tail
Term
cephalad
Definition
toward the head
Term
lateral
Definition
pertaining to the side
Term
medial
Definition
pertaining to the middle
Term
unilateral
Definition
pertaining to one side (only)
Term
bilateral
Definition
pertaining to two sides
Term
mediolateral
Definition
pertaining to the middle and the side
Term
distal
Definition
pertaining to away (from the point of attachment)
Term
proximal
Definition
pertaining to near (point of attachment)
Term
inferior
Definition
pertaining to below
Term
superior
Definition
pertaining to above
Term
caudal
Definition
pertaining to the tail (similar to inferior in human anatomy)
Term
cephalic
Definition
pertaining to the head
Term
anterior
Definition
pertaining to the front
Term
posterior
Definition
pertaining to the back
Term
dorsal
Definition
pertaining to the back
Term
ventral
Definition
pertaining to the belly(front)
Term
anteroposterior
Definition
pertaining to the front and to the back
Term
posteroanterior
Definition
pertaining to the back and to the front
Term
frontal or coronal
Definition
vertical field passing through the body from side to side. Dividing the body into anterior and posterior portions.
Term
sagittal
Definition
vertical field running through the body from front to back , dividing into left and right sides.
Term
midsagittal
Definition
divides the body into right and left halves
Term
transverse
Definition
horizontal field dividing the body into upper and lower portions
Term
umbilical region
Definition
around the navel
Term
epigastric region
Definition
directly above the umbilical region
Term
hypogastric region
Definition
directly below the umbilical region
Term
hypochondriac regions
Definition
to the right and left of the epigastric region
Term
lumbar regions
Definition
to the right and left of the umbilical region
Term
iliac regions
Definition
to the right and left of the hypogastric region
Term
right upper quadrant
Definition
refers to the are encompassing the right lobe of the liver, the gallbladder, part of the pancreas, portions of the small and large intestines and the right kidney.
Term
left upper quadrant
Definition
the area encompassing the left lobe of the liver, stomach, spleen, part of the pancreas, portions of the small and large intestines and the left kidney
Term
right lower quadrant
Definition
area encompassing portions of the small and large intestines, appendix, right ureter and the right ovary and uterine tube in women or the right spermatic duct in men.
Term
left lower quadrant
Definition
area encompassing portions of the small and large intestines, the left ureter and the left ovary and uterine tube in women or the left spermatic duct in men.
Term
ant
Definition
anterior
Term
AP
Definition
anteroposterio
Term
inf
Definition
inferior
Term
lat
Definition
lateral
Term
LLQ
Definition
left lower quadrant
Term
LUQ
Definition
left upper quadrant
Term
med
Definition
medial
Term
PA
Definition
posteroanterior
Term
RLQ
Definition
right lower quadrant
Term
RUQ
Definition
right upper quadrant
Term
sup
Definition
superior
Term
epidermis
Definition
outer layer of skin
Term
keratin
Definition
horny, cornified, layer composed of protein. It is contained of hair, skin and nails
Term
melanin
Definition
color, or pigmentation of the skin
Term
dermis
Definition
inner layer of skin (true skin)
Term
sudoriferous (sweat) glands
Definition
tiny, coiled, tubular structures that emerge through pores on the skin's surface and secrete sweat.
Term
sebaceous gland
Definition
secrete sebum (oil) into the hair follicles where the hair shafts pass through the dermis.
Term
hair
Definition
compressed keratinized cells that arise from hair follicles, the sacs that enclose the hair fibers
Term
nails
Definition
originate in the epidermis. Nails are found on the upper surface of the ends of the fingers and toes. White area at the base of the nail is called the lunula or moon.
Term
cutane/o, derm/o, dermat/o
Definition
skin
Term
hidr/o
Definition
sweat
Term
kerat/o
Definition
horny tissue, hard
Term
onych/o, ungu/o
Definition
nail
Term
seb/o
Definition
sebum (oil)
Term
trich/o
Definition
hair
Term
aut/o
Definition
self
Term
bi/o
Definition
life
Term
coni/o
Definition
dust
Term
crypt/o
Definition
hidden
Term
heter/o
Definition
other
Term
myc/o
Definition
fungus
Term
necr/o
Definition
death
Term
pachy/o
Definition
thick
Term
rhytid/o
Definition
wrinkles
Term
staphyl/o
Definition
grapelike clusters
Term
strept/o
Definition
twisted chains
Term
xer/o
Definition
dry
Term
epi
Definition
on, upon, over
Term
intra
Definition
within
Term
para
Definition
beside, beyond, around, abnormal
Term
per
Definition
through
Term
sub
Definition
under, below
Term
trans
Definition
through, across, beyond
Term
coccus (cocci... pl.)
Definition
berry shaped form
Term
ectomy
Definition
excision or surgical removal
Term
ia
Definition
diseased or abnormal state, condition of
Term
malacia
Definition
softening
Term
opsy
Definition
view of, viewing
Term
phagia
Definition
eating or swallowing
Term
plasty
Definition
surgical repair
Term
rrhea
Definition
flow, discharge
Term
tome
Definition
instrument used to cut
Term
abscess
Definition
localized collection of pus
Term
actinic keratosis
Definition
a precancerous skin condition of horny tissue formation that results from excessive exposure to sunlight. It may evolve into a squamous cell carcinoma.
Term
albinism
Definition
congenital hereditary condition characterized by partial or total lack of pigment in the skin, hair and eyes.
Term
basal cell carcinoma
Definition
epithelia tumor arising from the epidermis. Seldom metastasizes but invades local tissue. Common in individuals who have had excessive sun exposure.
Term
candidiasis
Definition
(also known as thrush) an infection of the skin mouth or vagina caused by the yeast type fungus is presented in the mucous membrane.
Term
carbuncle
Definition
skin infection composed of a cluster of boils caused by staphylococcal bacteria.
Term
cellulitis
Definition
inflammation of the skin and subcutaneous tissue caused by infection, leading to redness, swelling and fever.
Term
cellulitis
Definition
inflammation of the skin and subcutaneous tissue caused by infection, leading to redness, swelling and fever.
Term
contusion
Definition
injury with no break in the skin, characterized by pain, swelling and discoloration (bruise)
Term
fissue
Definition
slit or cracklike sore in the skin.
Term
furuncle
Definition
painful skin node caused by loss of blood supply followed by bacterial invasion. ( a form of necrosis)
Term
gangrene
Definition
death of tissue caused by loss of blood supply followed by bacterial invasion
Term
impetigo
Definition
superficial skin infection characterized by pustules and caused by either staphylococci or streptococci.
Term
kaposi sarcoma
Definition
a cancerous condition starting as purple or brown papules on the lower extremities that spread through the skin to the lymph nodes and internal organs.. (Seen frequently in AIDS patients)
Term
laceration
Definition
torn, ragged edged wound.
Term
lesion
Definition
any visible change in tissue resulting from injury or disease. It is a broad term that includes sores, wounds, ulcers and tumors.
Term
pediculosis
Definition
invasion into the skin and hair by lice
Term
psoriasis
Definition
chronic skin condition producting red lesions covered with silvery scales
Term
rosacea
Definition
chronic disorder of the skin that produces erythema, papules, pustules and broken blood vessels, usualy occuring on the central area of the face in people older that 30 years.
Term
scabie
Definition
skin infection caused by the itch mite, characterized by papule eruptions that are caused by the female burrowing in the outer layer of the skin and laying eggs. Condition is accompanied by severe itching.
Term
scleroderma
Definition
disease characterized by chronic hardening of the connective tissue of the skin and other body organs.
Term
shingles
Definition
development of painful, inflamed blisters that follow the nerve routes; caused by the same virus as the chicken pox.
Term
squamous cell carcinoma
Definition
malignant growth that develops from scale like epithelial tissue. There is a potential for metastasis. Most frequent cause if chronic exposure to sunlight.
Term
systemic lupus erythematosus
Definition
chronic inflammatory disease involving skin, joints, kidneys, and nervous system. This autoimmune disease is characterized by periods of remission and exacerbations. It may affect other organs.
Term
tinea
Definition
fungal infection of the skin. The fungi may infect keratin of the skin, hair and nails. Infections are classified by body regions such as tinea capitis(scalop) tinea corporis (body) and tinea pedis (foot). Tinea is general is also called ringworm. Tinea pedis is specifically called athlete's foot.
Term
urticaria
Definition
itching skin eruption composed of wheals of varying size and shape. It is usually related to an allergy. (hives)
Term
cauterization
Definition
destruction of tissue with a hot or cold instrument, electric current, or caustic substance. (also called cautery)
Term
cryosurgery
Definition
destruction of tissue by using extreme cold, often by using liquid nitrogen.
Term
debridgement
Definition
removal of contaminated or dead tissue and foreign matter from an open wound.
Term
cauterization
Definition
destruction of tissue with a hot or cold instrument electric current, or caustic substance.
Term
cryosurgery
Definition
destruction of tissue by using extreme cold, often by using liquid nitrogen.
Term
debridement
Definition
removal of contaminated or dead tissue and foreign matter from an open wound.
Term
dermabrasion
Definition
procedure to remove skin scars with abrasive material, such as sandpaper.
Term
excision
Definition
removal by cutting
Term
incision
Definition
surgical cut or wound produced by a sharp instrument
Term
mohs surgery
Definition
technique of microscopy controlled serial excisions of skin cancer.
Term
suturing
Definition
to stich edges of a wound surgically.
Term
adipose
Definition
fat, fatty
Term
allergy
Definition
hypersensitivity to a substance
Term
alopecia
Definition
loss of hair
Term
bacteria
Definition
single cell microorganisms that reproduce by cell division and may cause infection by invading body tissue.
Term
cicatrix
Definition
scar
Term
cyst
Definition
a closed sac containing fluid or semisolid material
Term
cytomegalovirus
Definition
herpes type virus that usually causes disease when the immune system is compromised.
Term
diaphoresis
Definition
profuse sweating
Term
ecchymosis
Definition
escape of blood into the tissues, causing superficial discoloration, a black and blue mark
Term
edema
Definition
puffy swelling of tissue from the accumulation of fluid.
Term
emollient
Definition
agent that softens
Term
erythema
Definition
redness
Term
fungus
Definition
organism that feeds by absorbing organic molecules from its surroundings and may cause infection by invading body tissue; single cell fungi (yeast) reproduct by budding, muticelled fungi (mold) reproduce by spore formation.
Term
induration
Definition
abnormal hard spot
Term
jaundice
Definition
condition characterized by a yellow tinge to the skin
Term
keloid
Definition
overgrowth of scar tissue
Term
leukoplakia
Definition
condition characterized by white spots or patches on mucoud membrane, which may be cancerous.
Term
macule
Definition
flat, colored spot on the skin
Term
nevus
Definition
cicumscribed malformation of the skin, usually brown, black or flesh colored. Congenital nevus is present at birth and is referred to as a birthmark. (mole)
Term
nodule
Definition
small, knotlike mass that can be felt by touch
Term
pallor
Definition
paleness
Term
papule
Definition
small solid skin elevation (pimple)
Term
petechia
Definition
pinpoint skin hemorrhage
Term
pressure ulcer
Definition
eroded sore on the skin caused by prolonged pressure, often occurring in bedridden patients (bed sores)
Term
pruritus
Definition
severe itching
Term
purpura
Definition
disorder characterized by hemorrhages into the tissue, giving the skin a purple red discoloration.
Term
pustule
Definition
elevation of skin containing pus.
Term
ulcer
Definition
eroded sore on the skin or mucous membrane
Term
verruca
Definition
circumscribed cutaneous elevation caused by a virus. (wart)
Term
vesicle
Definition
small elevation of the epidermis containing liquid. (blister)
Term
virus
Definition
minute microorganism, much smaller than bacterium, characterized by a lack of independent metabolism and the ability to replicate only within living host cells; may cause infection by invading body tissue.
Term
wheal
Definition
transitory, itchy elevation of the skin with a white center and a red surrounding area. A wheal is an individual urticaria (hive)
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