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Medical Terminology
Prefixes / Suffixes / Vocabulary
274
Biology
Undergraduate 4
10/01/2007
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Term
endo
 Definition
inside
Term
-crine
 Definition
secrete
Term
an-
 Definition
no, not, or without
Term
therapeut(o)
 Definition
treatment
Term
pharmac(o)
 Definition
drugs or medicine
Term
or(o)
 Definition
mouth
Term
opt(o), optic(o)
 Definition
vision
Term
dent(i), dent(o), odont(o)
 Definition
tooth
Term
bi(o)
 Definition
life, living
Term
ur(o)
 Definition
urinary tract (sometimes urine)
Term
rhin(o)
 Definition
nose
Term
radi(o)
 Definition
radiant energy (sometimes radius)
Term
rheumat(o)
 Definition
rheumatism
Term
psych(o)
 Definition
mind
Term
ped(o)
 Definition
child, somtimes foot
Term
path(o)
 Definition
disease
Term
ot(o), laryng(o)
 Definition
ear, larynx
Term
orth(o), ped(o)
 Definition
o - straight, p - child (sometimes foot)
Term
opthalm(o)
 Definition
eye
Term
onc(o)
 Definition
tumor
Term
obstetr(o)
 Definition
midwife
Term
neur(o)
 Definition
nerve
Term
ne(o), nat(o)
 Definition
new, birth
Term
immun(o)
 Definition
immune
Term
gynec(o)
 Definition
female
Term
ger(o), ger(a), geront(o)
 Definition
elderly
Term
gastr(o), enter(o)
 Definition
stomach, intestines
Term
esthesi(o)
 Definition
feeling or sensation
Term
dermat(o)
 Definition
skin
Term
crin(o)
 Definition
to secrete
Term
cardi(o)
 Definition
heart
Term
-logy
 Definition
study or science of
Term
-iatrics, -iatry
 Definition
medical profession or treatment
Term
-ac, -al, -ic, -logic, -logical
 Definition
pertaining to
Term
-logist
 Definition
one who studies; specialist
Term
-iatrician
 Definition
practitioner
Term
-er, -ist
 Definition
one who
Term
-centesis
 Definition
surgical puncture to aspirate or remove fluid
Term
-ectomy
 Definition
excision (surgical removal or cutting out)
Term
-lysis
 Definition
process of loosening, freeing, or destroying
Term
-pexy
 Definition
surgical fixation (fastening in a fixed position)
Term
-plasty
 Definition
surgical repair
Term
-rrhaphy
 Definition
suture (uniting a wound by stitches)
Term
-scope
 Definition
instrument used for viewing (also used in diagnostic procedures)
Term
-scopy
 Definition
visual examination with a lighted instrument (not always a surgical procedure)
Term
-stomy
 Definition
formation of an opening
Term
-tome
 Definition
an instrument used for cutting
Term
-tomy
 Definition
incision (cutting into tissue)
Term
-tripsy
 Definition
surgical crushing
Term
aden(o)
 Definition
gland
Term
angi(o)
 Definition
vessel
Term
append(o), appendic(o)
 Definition
appendix
Term
blephar(o)
 Definition
eyelid
Term
cerebr(o), encephal(o)
 Definition
brain; cerebr(o) sometimes means cerebrum, the main portion of the brain
Term
chir(o)
 Definition
hand
Term
col(o), colon(o)
 Definition
colon or large intestine
Term
cutane(o), derm(a), dermat(o)
 Definition
skin
Term
mamm(o), mast(o)
 Definition
breast
Term
nephr(o), ren(o)
 Definition
kidney
Term
oste(o)
 Definition
bone
Term
tonsill(o)
 Definition
tonsil
Term
vas(o)
 Definition
vessel; ductus deferens (also called vas deferens, excretory duct of the testicle)
Term
-algia, -dynia
 Definition
pain
Term
tom(o)
 Definition
to cut
Term
ultra-
 Definition
excessive
Term
CT, CAT
 Definition
computed tomography, computed axial tomography
Term
CXR
 Definition
chest x-ray
Term
Dx
 Definition
diagnosis
Term
ECG, EKG
 Definition
electrocardiogram
Term
GI
 Definition
gastrointestinal
Term
lab
 Definition
laboratory
Term
MRI
 Definition
magnetic resonance imaging
Term
Sx
 Definition
symptoms
Term
WNL
 Definition
within normal limits
Term
cancer(o), carcin(o)
 Definition
cancer
Term
onc(o)
 Definition
tumor
Term
path(o)
 Definition
disease
Term
-cele
 Definition
hernia (protrusion of all or part of an organ through the wall of the cavity that contains it)
Term
-emia
 Definition
condition of the blood
Term
-ia-, -iasis
 Definition
condition
Term
-itis
 Definition
inflammation
Term
-lith
 Definition
stone or calculus
Term
-mania
 Definition
excessive preoccupation
Term
-maniac
 Definition
a person who shows excessive preoccupation
Term
-oma
 Definition
tumor
Term
-osis
 Definition
condition (often an abnormal condition; sometimes an increase)
Term
-pathy
 Definition
disease
Term
-phobia
 Definition
abnormal fear
Term
-ptosis
 Definition
prolapse (sagging)
Term
-able, -ible
 Definition
capable of, able to
Term
-an, -ary, -eal, -ive, -tic
 Definition
pertaining to
Term
-ase
 Definition
enzyme
Term
-eum, -ium
 Definition
membrane
Term
-ia, -ism
 Definition
condition or theory
Term
-iac
 Definition
one who suffers
Term
-opia
 Definition
vision
Term
-ose
 Definition
sugar
Term
-ous
 Definition
pertaining to or characterized by
Term
-y
 Definition
state or condition
Term
cyt(o)
 Definition
cell
Term
gen(o)
 Definition
beginning, origin
Term
kinesi(o)
 Definition
movement
Term
leps(o)
 Definition
seizure
Term
log(o)
 Definition
knowledge or words
Term
lys(o)
 Definition
destructive, dissolving
Term
megal(o)
 Definition
large, enlarged
Term
metr(o)
 Definition
measure; uterine tissue
Term
path(o)
 Definition
disease
Term
phag(o)
 Definition
eat, ingest
Term
phas(o)
 Definition
speech
Term
plas(o)
 Definition
formation, development
Term
plast(o)
 Definition
repair
Term
pleg(o)
 Definition
paralysis
Term
schis(o), schiz(o), schist(o)
 Definition
split, cleft
Term
scler(o)
 Definition
hard
Term
scop(o)
 Definition
to examine, to view
Term
troph(o)
 Definition
nutrition
Term
-cyte
 Definition
cell
Term
-genic
 Definition
produced by or in
Term
-genesis
 Definition
producing or forming
Term
-kinesia, -kinesis
 Definition
movement, motion
Term
-lepsy
 Definition
seizure
Term
-logy
 Definition
study or science of
Term
-logist
 Definition
one who studies
Term
-lysin
 Definition
that which destroys
Term
-lysis
 Definition
process of destroying
Term
-lytic
 Definition
capable of destroying (note change in spelling)
Term
-megaly
 Definition
enlargement
Term
-meter
 Definition
instrument used to measure
Term
-metry
 Definition
process of measuring
Term
-pathy
 Definition
disease
Term
-phagia, -phagic, -phagy
 Definition
eating, swallowing
Term
-phasia
 Definition
speech
Term
-plasia
 Definition
formation, development
Term
-plasty
 Definition
surgical repair
Term
-plegia
 Definition
paralysis
Term
-schisis
 Definition
split, cleft
Term
-sclerosis
 Definition
hardening
Term
-scope
 Definition
instrument used for viewing
Term
-scopy
 Definition
process of visually examining
Term
-trophic, -trophy
 Definition
nutrition
Term
alb(o), albin(o), leuk(o), occasionally leuc(o)
 Definition
white
Term
chlor(o)
 Definition
green
Term
cyan(o)
 Definition
blue
Term
erythr(o)
 Definition
red
Term
melan(o)
 Definition
black
Term
xanth(o)
 Definition
yellow
Term
bi(o)
 Definition
life or living
Term
cephal(o)
 Definition
head
Term
electr(o)
 Definition
electricity
Term
hist(o)
 Definition
tissue
Term
muscul(o), my(o)
 Definition
muscle
Term
nas(o), rhin(o)
 Definition
nose
Term
ne(o)
 Definition
new
Term
pod(o)
 Definition
foot
Term
pyr(o)
 Definition
fire
Term
therm(o)
 Definition
heat
Term
algesi(o)
 Definition
sensitivity to pain
Term
chem(o)
 Definition
chemical
Term
esthesi(o)
 Definition
feeling or sensation
Term
narc(o)
 Definition
stupor
Term
pharmac(o), pharmaceut(i)
 Definition
drugs or medicine
Term
therapeut(o)
 Definition
treatment
Term
tox(o), toxic(o)
 Definition
poison
Term
-therapy
 Definition
treatment
Term
mono-, uni-
 Definition
one
Term
bi-, di-
 Definition
two
Term
tri-
 Definition
three
Term
quad-, quadri-, tetra-
 Definition
four
Term
centi-
 Definition
one hundred or one-hundredth
Term
milli-
 Definition
one-thousandth
Term
diplo-
 Definition
double
Term
hemi-, semi-
 Definition
half, partly
Term
hyper-
 Definition
excessive, more than normal
Term
hypo-
 Definition
beneath or below normal
Term
multi-, poly-
 Definition
many
Term
nulli-
 Definition
none
Term
pan-
 Definition
all
Term
primi-
 Definition
first
Term
super-, ultra-
 Definition
excessive
Term
ab-
 Definition
away from
Term
ad-
 Definition
toward
Term
ante-, pre-
 Definition
before in time or in place
Term
circum-, peri-
 Definition
around
Term
dia-
 Definition
through
Term
ecto-, ex-, exo-, extra-
 Definition
out, without, away from
Term
en-, end-, endo-
 Definition
inside
Term
epi-
 Definition
above, on
Term
hypo-, infra-, sub-
 Definition
beneath, under
Term
inter-
 Definition
between
Term
intra-
 Definition
within
Term
ipsi-
 Definition
same
Term
meso-, mid-, medio-
 Definition
middle
Term
para-
 Definition
next, beside, or abnormal
Term
per-
 Definition
through or by
Term
post-
 Definition
after, behind
Term
retro-
 Definition
behind, backward
Term
super-, supra-
 Definition
above, beyond
Term
sym-, syn-
 Definition
joined, together
Term
trans-
 Definition
across
Term
a-, an-
 Definition
no, not, without
Term
in-
 Definition
not or inside (in)
Term
macro-, mega-, megalo-
 Definition
large or great
Term
micro-
 Definition
small
Term
ante-, pre-, pro-
 Definition
before
Term
post-
 Definition
after or behind
Term
anti-, contra-
 Definition
against
Term
brady-
 Definition
slow
Term
dys-
 Definition
bad, difficult
Term
eu-
 Definition
good, normal
Term
mal-
 Definition
bad
Term
pro-
 Definition
favoring, supporting
Term
tachy-
 Definition
fast
Term
Bx
 Definition
biopsy
Term
C
 Definition
Celsius, centigrade
Term
F
 Definition
Fahrenheit
Term
OD
 Definition
overdose; right eye (oculus dexter)
Term
OTC
 Definition
over the counter (drug that can be obtained without a prescription)
Term
Rx
 Definition
prescription
Term
Tx
 Definition
treatment
Term
a.c.
 Definition
before meals (ante cibum)
Term
ad lib.
 Definition
freely as needed, at pleasure (ad libitum)
Term
Aq.
 Definition
water (aqua)
Term
b.i.d.
 Definition
twice a day (bis in die)
Term
b.i.n.
 Definition
twice a night (bis in noctis)
Term
Noct.
 Definition
night (nocte)
Term
NPO
 Definition
nothing by mouth (nil per os)
Term
PO
 Definition
by mouth (per os)
Term
p.r.n.
 Definition
as the occasion arises, as needed (pro re nata)
Term
q.
 Definition
every (quaque)
Term
q.i.d.
 Definition
four time a day (quater in die)
Term
stat.
 Definition
immediately (statin)
Term
t.i.d.
 Definition
three times a day (ter in die)
Term
anter(o), anterior
 Definition
nearer to or toward the front
Term
poster(o), posterior
 Definition
nearer to or toward the back
Term
ventr(o), ventral
 Definition
belly side
Term
dors(o), dorsal
 Definition
directed toward or situated on the back side
Term
medi(o), medial, median
 Definition
middle or nearer the middle
Term
later(o), lateral
 Definition
farther from the midline of the body or from a structure
Term
super(o), superior
 Definition
uppermost or above
Term
infer(o), inferior
 Definition
lowermost or below
Term
proxim(o), proximal
 Definition
nearer the origin or point of attachment
Term
dist(o), tel(e), distal
 Definition
far or distant from the origin or point of attachment
Term
caud(o), caudad or caudal
 Definition
in an inferior position
Term
cephal(o), cephalad
 Definition
toward the head
Term
abdomin(o)
 Definition
abdomen
Term
acr(o)
 Definition
extremities (arms and legs)
Term
cephal(o)
 Definition
head
Term
crani(o)
 Definition
cranium (skull)
Term
dactyl(o)
 Definition
finger or toe
Term
encephal(o)
 Definition
brain
Term
herni(o)
 Definition
hernia
Term
dactyl(o)
 Definition
finger or toe
Term
omphal(o), umbilic(o)
 Definition
umbilicus (navel)
Term
pelv(i)
 Definition
pelvis
Term
periton(o)
 Definition
peritoneum
Term
pod(o)
 Definition
foot
Term
som(a), somat(o)
 Definition
body
Term
spin(o)
 Definition
spine
Term
thorac(o)
 Definition
thorax (chest)
Term
viscer(o)
 Definition
viscera (large abdominal organs)
Term
abd
 Definition
abdomen, abdominal
Term
AP
 Definition
anteroposterior
Term
BSA
 Definition
body surface area
Term
DNA
 Definition
deoxyribonucleic acid
Term
EEG
 Definition
electroencephalogram
Term
lat.
 Definition
lateral
Term
LLQ
 Definition
left lower quadrant
Term
LUQ
 Definition
left upper quadrant
Term
PA
 Definition
posteroanterior
Term
PE
 Definition
physical examination
Term
RLQ
 Definition
right lower quadrant
Term
RUQ
 Definition
right upper quadrant
Term
VS, v.s.
 Definition
vital signs
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