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1350 Cards in this Set

  • Front
  • Back
a-
away from, without
ab-
away from
abdomin/o-
abdomen
ablat/o-
take away; destroy
-able
able to be
abort/o-
stop prematurely
abras/o-
scrape off
absorpt/o-
absorb or take in
-ac
pertaining to
access/o-
supplemental or contributing part
accommod/o-
to adapt
acetabul/o-
acetabulum (hip socket)
acid/o-
acid (low pH)
acous/o-
hearing; sound
acr/o-
extremity; highest point
acromi/o-
acromion
actin/o-
rays of the sun
act/o-
action
acu/o-
needle; sharpness
-acusis
hearing
acus/o-
the sense of hearing
ad-
toward
-ad
toward; in the direction of
addict/o-
surrender to; be controlled by
-ade
action; process
aden/o-
gland
adhes/o-
to stick to
adip/o-
fat
adjuv/o-
giving help or assistance
adnex/o-
accessory connecting parts
adolesc/o-
the beginning of being an adult
adrenal/o-
adrenal gland
adren/o-
adrenal gland
affect/o-
state of mind; mood; to have an influence on
affer/o-
bring toward the center
agglutin/o-
clumping; sticking
aggreg/o-
crowding together
ag/o-
to lead to
agon/o-
causing action
agoe/o-
open area or space
-al
pertaining to
albin/o-
white
albumin/o-
albumin
alges/o-
sensation of pain
-algia
painful condition
alg/o-
pain
align/o-
arranged in a straight line
aliment/o-
food, nourishment
-alis
pertaining to
alkal/o-
base (high pH)
allerg/o-
allergy
all/o-
other; strange
alveol/o-
alveolus (air sac)
ambly/o-
dimness
ambulat/o-
walking
amnes/o-
forgetfulness
amni/o-
amnion (fetal membrane)
-amnios
amniotic fluid
amputat/o-
to cut off
amput/o-
to cut off
amygdal/o-
almond shape
amyl/o-
carbohydrate, starch
an-
without, not
-an
pertaining to
ana-
apart from; excessive
anabol/o-
building up
analy/o-
to separate
anastom/o-
unite two tubular structures
-ance
state of
ancill/o-
servant, accessory
-ancy
state of
andr/o-
male
aneurysm/o-
aneurysm (dilation)
angin/o-
angina
angi/o-
blood vessel; lymphatic vessel
anis/o-
unequal
ankyl/o-
fused together, stiff
an/o-
anus
ant-
against
antagon/o-
oppose or work against
ante-
forward, before
anter/o-
before; front part
anthrac/o-
coal
anti-
against
anxi/o-
fear, worry
aort/o-
aorta
apher/o-
withdrawal
aphth/o-
ulcer
apic/o-
apex (tip)
apo-
away from
appendic/o-
appendix
appendiculo
limb; small attached part
append/o-
small structure hanging from a larger structure; appendix
appercept/o-
fully perceived
aque/o-
watery substance
-ar
pertaining to
arachn/o-
spider, spider web
-arche
a beginning
areol/o-
small area around the nipple
-arian
pertaining to a person
-aris
pertaining to
arteri/o-
artery
arteriol/o-
arteriole
arter/o-
artery
arthr/o-
joint
articul/o-
joint
-ary
pertaining to
asbest/o-
asbestos
ascit/o-
ascites
-ase
enzyme
aspir/o-
to breathe in; to suck in
asthm/o-
asthma
astr/o-
starlike structure
-ate
composed of; pertaining to
-ated
pertaining to a condition; composed of
atel/o-
incomplete
ather/o-
soft, fatty substance
atheromat/o-
fatty deposit or mass
athet/o-
without position or place
-atic
pertaining to
-ation
a process; being or having
-ative
pertaining to
-ator
person or thing that produces or does
-atory
pertaining to
atri/o-
atrium (upper heart chamber)
attenu/o-
weakened
-ature
system composed of
audi/o-
the sense of hearing
audit/o-
the sense of hearing
augment/o-
increase in size or degree
aur/i-
ear
auricul/o-
ear
auscult/o-
listening
aut/o-
self
autonom/o-
independent, self-governing
axill/o-
axilla (armpit)
axi/o-
axis
bacteri/o-
bacterium
balan/o-
glans penis
bar/o-
weight
basil/o-
base of an organ
bas/o-
base of a structure; basic (alkaline)
behav/o-
activity or manner of acting
bi-
two
bil/i-
bile, gall
bilirubin/o-
bilirubin
bi/o-
life; living organisms; living tisue
-blast
immature cell
blast/o-
immature; embryonic
blephar/o-
eyelid
-body
a structure or thing
botul/o-
sausage
brachi/o-
arm
brachy-
short
brady-
slow
bronchi/o-
bronchus
bronchiol/o-
bronchiole
bronch/o-
bronchus
brux/o-
to grind the teeth
buccinat/o-
cheek
bucc/o-
cheek
bulb/o-
like a bulb
bunion/o-
bunion
burs/o-
bursa
cac/o-
bad, poor
calcane/o-
calcaneus (heel bone)
calcific/o-
hard from calcium
calci/o-
calcium
calc/o-
calcium
calcul/o-
stone
calic/o-
calix
cali/o-
calix
calor/o-
heart
cancell/o-
lattice structure
cancer/o-
cancer
candid/o-
Candida (a yeast)
can/o-
resembling a dog
capill/o-
hairlike structure
capn/o-
carbon dioxide
capsul/o-
capsule (enveloping structure)
carb/o-
carbon atoms
carbox/y-
carbon monoxide
carcin/o-
cancer
card/i-
heart
cardi/o-
heart
cari/o-
caries (tooth decay)
carot/o-
stupor, sleep
carp/o-
wrist
cartilagin/o-
cartilage
cata-
down
catabol/o-
breaking down
catheter/o-
catheter
caud/o-
tailbone; lower part of the body
caus/o-
burning
cavit/o-
hollow space
cav/o-
hollow space
cec/o-
cecum (first part of large intestine)
-cele
hernia
celi/o-
abdomen
cellul/o-
cell
-centesis
procedure to puncture
centr/o-
center; dominant part
cephal/o-
head
-cephalus
head
-ceps
head
-cere
waxy substance
cerebell/o-
cerebellum (posterior part of the brain)
cerebr/o-
cerebrum (largest part of the brain)
cervic/o-
neck; cervix
cheil/o-
lip
chem/o-
chemical, drug
chez/o-
to pass stool
chir/o-
hand
chlor/o-
chloride
cholangi/o-
bile duct
chol/e-
bile, gall
cholecyst/o-
gallbladder
choledoch/o-
common bile duct
cholesterol/o-
cholesterol
chol/o-
bile, gall
chondri/o-
little granule
chondr/o-
cartilage
chori/o-
chorion (fetal membrane)
chorion/o-
chorion (fetal membrane)
choroid/o-
choroid (middle layer round the eye)
chrom/o-
color
chron/o-
time
cid/o-
killing
cili/o-
hairlike structure
cin/e-
movement
circa-
about
circulat/o-
movement in a circular route
circul/o-
circle
circum-
around
cirrh/o-
yellow
cis/o-
to cut
-clast
cell that breaks down substances
claudicat/o-
limping pain
claustr/o-
enclose space
clavicul/o-
clavicle (collar bone)
clav/o-
clavicle (collar bone)
-cle
small thing
cleid/o-
clavicle (collar bone)
clinic/o-
medicine
clon/o-
rapid contracting and relaxing; identical group derived from one
-clonus
condition of rapid contracting and relaxing
-cnemius
leg
coagul/o-
clotting
coarct/o-
pressed together
cocc/o-
spherical bacterium
-coccus
spherical bacterium
coccyg/o-
coccyx (tail bone)
cochle/o-
cochlea (of the inner ear)
cognit/o-
thinking
coit/o-
sexual intercourse
coll/a-
fibers that hold together
-collis
condition of the neck
col/o-
colon (part of large intestine)
colon/o-
colon (part of large intestine)
colp/o-
vagina
comat/o-
deep unconsciousness
comminut/o-
break into minute pieces
communic/o-
impart, transmit
compens/o-
counterbalance; compensate
compress/o-
press together
compromis/o-
exposed to danger
compuls/o-
drive or compel
con-
with
concept/o-
to conceive or form
concuss/o-
violent shaking or jarring
conduct/o-
carrying, conveying
conform/o-
having the same scale or angle
congenit/o-
present at birth
congest/o-
accumulation of fluid
coni/o-
dust
conjug/o-
joined together
conjunctiv/o-
conjunctiva
con/o-
cone
constip/o-
compacted stool
constrict/o-
drawn together, narrowed
construct/o-
to build
contin/o-
hold together
contra-
against
contract/o-
pull together
contus/o-
bruising
converg/o-
coming together
convuls/o-
seizure
copr/o-
feces, stool
corne/o-
cornea (of the eye)
cor/o-
pupil (of the eye)
coron/o-
encircling structure
corpor/o-
body
cortic/o-
cortex (outer region)
cosmet/o-
attractive, adorned
cost/o-
rib
crani/o-
cranium (skull)
-crasia
a mixing
-crine
a thing that secretes
crin/o-
secrete
-crit
separation of
cry/o-
cold
crypt/o-
hidden
cubit/o-
elbow
culd/o-
cul-de-sac
cusp/o-
projection, point
cutane/o-
skin
cut/i-
skin
cyan/o-
blue
cycl/o-
ciliary body of the eye; cycle; circle
cyst/o-
bladder; fluid-filled sac; semisolid cyst
-cyte
cell
cyt/o-
cell
dacry/o-
lacrimal sac; tears
-dactyly
condition of fingers or toes
de-
reversal of; without
dec/i-
one tenth
decidu/o-
falling off
defici/o-
lacking, inadequate
degluti/o-
swallowing
delt/o-
triangle
delus/o-
false belief
dem/o-
people; population
dendr/o-
branching structure
densit/o-
density
dent/i-
tooth
dentit/o-
eruption of teeth
dent/o-
tooth
depend/o-
to hang onto
depress/o-
press down
derm/a-
skin
-derma
skin
dermat/o-
skin
derm/o-
skin
desicc/o-
to dry up
-desis
procedure to fuse together
dextr/o-
right; sugar
di-
two
dia-
complete; completely through
diabet/o-
diabetes
diaphragmat/o-
diaphragm
diaphre/o-
sweating
diaphys/o-
shaft of a bone
diastol/o-
dilating
-didymis
testes (twin structures)
didym/o-
testes (twin structures)
dietet/o-
foods, diet
diet/o-
foods, diet
differentiat/o-
being distinct or specialized
different/o-
being distinct, different
digest/o-
break down food; digest
digit/o-
digit (finger or toe)
dilat/o-
dilate, widen
dipl/o-
double
dips/o-
thirst
dis-
away from
disk/o-
disk
dissect/o-
to cut apart
dissemin/o-
widely scattered throughout the body
distent/o-
distended, stretched
dist/o-
away from the center or point of origin
diverticul/o-
diverticulum
donat/o-
give as a gift
dors/o-
back; dorsum; uppermost part
-dose
measured quantity
dos/i-
dose
-drome
a running
duc/o-
bring or move
-duct
duct (tube)
duct/o-
bring or move; a duct
du/o-
two
duoden/o-
duodenum (first part of small intestine)
dur/o-
dura mater
dynam/o-
power; movement
dyn/o-
pain
dys-
painful, difficult, abnormal
e-
without, out
-eal
pertaining to
ec-
out, outward
ecchym/o-
blood in the tissues
ech/o-
echo (sound wave)
eclamps/o-
a seizure
-ectasis
condition of dilation
ectat/o-
dilation
ecto-
outermost, outside
ectop/o-
outside of a place
-ectomy
surgical excision
-ed
pertaining to
-edema
swelling
edentul/o-
without teeth
-ee
person who is the object of an action
efface/o-
do away with; obliterate
effer/o-
go out from the center
effus/o-
a pouring out
ejaculat/o-
to expel suddenly
-elasma
platelike structure
elast/o-
flexing, stretching
electr/o-
electricity
elimin/o-
expel, remove
-elle
little thing
em-
in
-ema
condition
emaci/o-
to make thin
embol/o-
embolus (occluding plug)
embryon/o-
embryo; immature form
-emesis
vomiting
emet/o-
to vomit
-emia
condition of the blood; substance in the blood
-emic
pertaining to blood or a substance in the blood
emiss/o-
to send out
emot/o-
moving, stirring up
emulsific/o-
droplets of fat suspended in liquid; particles suspended in a solution
en-
in, within, inward
-ence
state of
encephal/o-
brain
-encephaly
condition of the brain
-ency
condition of being
endo-
innermost, within
-ent
pertaining to
enter/o-
intestine
-entery
condition of the intestine
enucle/o-
to remove the kernal or nucleus
enur/o-
to urinate in
-eon
one who performs
eosin/o-
eosin (acidic red dye)
ependym/o-
lining membrane
epi-
upon, above
epilept/o-
seizure
epiphys/o-
growth area on the end of a bone
episi/o-
vulva (female external genitalia)
-er
person or thing that produces or does
erect/o-
to stand up
erg/o-
activity; work
-ergy
activity; process of working
erupt/o-
breaking out
-ery
process of
erythemat/o-
redness
erythr/o-
red
-esis
condition
es/o-
inward
esophag/o-
esophagus
esthet/o-
sensation, feeling
estr/a-
female
estr/o-
female
ethm/o-
sieve
-etic
pertaining to
eti/o-
cause of disease
-ety
condition, state
etym/o-
word origin
eu-
normal; good
ex-
out, away from
exacerb/o-
increase; produce
excis/o-
to cut out
excori/o-
to take out skin
excret/o-
removing from the body
exhibit/o-
showing
ex/o-
away from, external, outward
explorat/o-
to search out
express/o-
communicate
extens/o-
straightening
extern/o-
outside
extra-
outside of
extrins/o-
on the outside
exud/o-
oozing fluid
faci/o-
face
factiti/o-
artificial, contrived
fallopi/o-
fallopian tube
fasci/o-
fascia
fec/a-
feces, stool
fec/o-
feces, stool
femor/o-
femur (thigh bone)
fer/o-
to bear
ferrit/o-
iron
ferr/o-
iron
fertil/o-
able to conceive a child
fet/o-
fetus
fibrill/o-
muscle fiber; nerve fiber
fibrin/o-
fibrin
fibr/o-
fiber
fibul/o-
fibula (lower leg bone)
filtrat/o-
filtering; straining
filtr/o-
filter
fiss/o-
splitting
fixat/o-
to make stable or still
flatul/o-
flatus
flex/o-
bending
fluor/o-
fluorescence
-flux
flow
foc/o-
point of activity
foli/o-
leaf
follicul/o-
follicle (small sac)
foramin/o-
foramen (opening into a cavity or channel)
forens/o-
court proceedings in criminal law
-form
having the form of
format/o-
structure; arrangement
fove/o-
small, depressed area
fract/o-
break up
fratern/o-
close association or relationship
-frice
thing that produces friction
front/o-
front
fruct/o-
fruit
fulgur/o-
spark of electricity
fund/o-
fundus (part farthest from the opening)
fundu/o-
fundus (part farthest from the opening)
fung/o-
fungus
fus/o-
pouring
galact/o-
milk
ganglion/o-
ganglion
gangren/o-
gangrene
gastr/o-
stomach
gemin/o-
twins; set or group
-gen
that which produces
-gene
gene
gene/o-
gene
gener/o-
production; creation
genit/o-
genitalia
gen/o-
arising from; produced by
germin/o-
embryonic tissue
ger/o-
old age
gestat/o-
from conception to birth
gest/o-
from conception to birth
gigant/o-
giant
gingiv/o-
gums
glandul/o-
gland
glen/o-
socket of a joint
-glia
substance that holds things together
gli/o-
substance that holds things together
glob/o-
shaped like a globe; comprehensive
globul/o-
shaped like a globe
glomerul/o-
glomerulus
gloss/o-
tongue
glott/o-
glottis (of the larynx)
gluc/o-
glucose (sugar)
glycer/o-
glycerol (sugar alcohol)
glyc/o-
glucose (sugar)
glycos/o-
glucose (sugar)
gnos/o-
knowledge
gonad/o-
gonads (ovaries and testes)
goni/o-
angle
gon/o-
seed (ovum or spermatozoon)
-grade
going
-graft
tissue for implant or transplant
-gram
a record or picture
granul/o-
granule
-graph
instrument used to record
graph/o-
record
-graphy
process of recording
-gravida
pregnancy
gustat/o-
the sense of taste
gynec/o-
female, woman
habilitat/o-
give ability
halit/o-
breath
hallucin/o-
imagined perception
hal/o-
breathe
hebe/o-
youth
hec/o-
habitual condition of the body
hedon/o-
pleasure
helic/o-
a coil
hemat/o-
blood
hemi-
one half
hem/o-
blood
hemoglobin/o-
hemoglobin
hemorrh/o-
a flowing of blood
hemorrhoid/o-
hemorrhoid
hepat/o-
liver
heredit/o-
genetic inheritance
hered/o-
genetic inheritance
herni/o-
hernia
heter/o-
other
hex/o-
habitual condition of the body
hidr/o-
sweat
hil/o-
hilum (indentation in an organ)
hirsut/o-
hairy
histi/o-
tissue
home/o-
same
hom/i-
man
horizont/o-
boundary between the earth and sky
hormon/o-
hormone
humer/o-
humerus (upper arm bone)
hyal/o-
clear glasslike substance
hydatidi/o-
fluid-filled vesicles
hydr/o-
water; fluid
hygien/o-
health
hy/o-
U-shaped structure
hyper-
above; more than normal
hypn/o-
sleep
hypo-
below; deficient
hypophys/o-
pituitary gland
hyster/o-
uterus (womb)
-ia
condition, state, thing
-iac
pertaining to
-ial
pertaining to
-ian
pertaining to
-ias
condition
-iasis
state of; process of
-iatic
pertaining to a state or process
iatr/o-
physician; medical treatment
-iatry
medical treatment
-ic
pertaining to
-ical
pertaining to
-ician
a skilled professional or expert
-ics
knowledge, practice
icter/o-
jaundice
ict/o-
seizure
-id
resembling; source or origin
-ide
chemically modified structure
idi/o-
unknown; individual
-ie
a thing
-il
a thing
-ile
pertaining to
ile/o-
ileum (third part of small intestine)
ili/o-
ilium (hip bone)
-ility
having the quality of
illus/o-
false perception
im-
not
-immune
immune response
immun/o-
immune response
impact/o-
wedged in
implant/o-
placed within
in-
in; within; not
-in
a substance
incarcer/o-
to imprison
incis/o-
to cut into
incud/o-
incus (anvil-shaped bone)
induct/o-
a leading in
-ine
substance pertaining
infarct/o-
area of dead tissue
infect/o-
disease within
infer/o-
below
inflammat/o-
redness and warmth
infra-
below, beneath
-ing
doing
inguin/o-
groin
inhibit/o-
block; hold back
inject/o-
insert or put in
insemin/o-
plant a seed
insert/o-
to put in or introduce
inspect/o-
looking at
insulin/o-
insulin
insul/o-
island
integument/o-
skin
integu/o-
to cover
inter-
between
intern/o-
inside
interstiti/o-
spaces within tissue
intestin/o-
intestine
intra-
within
intrins/o-
on the inside
intussuscep/o-
to receive within
invas/o-
to go into
involut/o-
enlarged organ returns to normal size
iodin/o-
iodine
iod/o-
iodine
-ion
action; condition
-ior
pertaining to
-ious
pertaining to
irid/o-
iris (colored part of the eye)
ir/o-
iris (colored part of the eye)
ischi/o-
ischium (hip bone)
isch/o-
keep back; block
-ism
process; disease from a specific cause
-ist
one who specializes in
-istic
pertaining to
-istry
process related to the specialty of
-isy
condition of inflammation
-ite
thing that pertains to
-itian
a skilled professional or expert
-itic
pertaining to
-itis
inflammation of
-ity
state; condition
-ium
a chemical element
-ive
pertaining to
-ix
a structure
-ization
process of making, creating, or inserting
-ize
affecting in a particular way
-izer
thing that affects in a particular way
jejun/o-
jejunum (middle part of small intestine)
jugal/o-
jugular (throat)
kal/i-
potassium
kary/o-
nucleus
kel/o-
tumor
kerat/o-
cornea (of the eye); hard, fibrous protein
ket/o-
ketones
keton/o-
ketones
-kine
movement
-kinesis
condition of movement
kines/o-
movement
kin/o-
movement
klept/o-
to steal
kyph/o-
bent; humpbacked
labi/o-
lip; labium
laborat/o-
workplace; testing place
labryrinth/o-
labyrinth (in the inner ear)
lacer/o-
a tearing
lacrim/o-
tears
lact/i-
milk
lact/o-
milk
-lalia
condition of speech
lamin/o-
lamina (flat area on the vertebra)
lapar/o-
abdomen
laryng/o-
larynx (voice box)
later/o-
side
lei/o-
smooth
lenticu/o-
lens (of the eye)
lent/o-
lens (of the eye)
-lepsy
seizure
leuk/o-
white
lev/o-
left
lex/o-
word
ligament/o-
ligament
ligat/o-
to tie up or bind
limb/o-
edge, border
lingu/o-
tongue
lipid/o-
lipid (fat)
lip/o-
lipid (fat)
-listhesis
abnormal condition and process of slipping
-lith
stone
lith/o-
stone
lob/o-
lobe of an organ
locat/o-
a place
loc/o-
in one place
log/o-
word; the study of
-logy
the study of
lord/o-
swayback
luc/o-
clear and shining
lumb/o-
lower back; area between the ribs and pelvis
lumin/o-
lumen (opening)
lun/o-
moon
-ly
going toward
lymph/o-
lymph; lymphatic system
ly/o-
break down, separate, dissolve
-lysis
abnormal condition; process
lys/o-
break down or dissolve
-lyte
dissolved substance
macr/o-
large
macul/o-
small area or spot
magnet/o-
magnet
mal-
bad; inadequate
-malacia
condition of softening
malac/o-
softening
malign/o-
intentionally causing harm; cancer
malle/o-
malleus (hammer-shaped bone)
malleol/o-
malleolus
mamm/a-
breast
mamm/o-
breast
mandibul/o-
mandible (lower jaw)
-mania
condition of frenzy
man/o-
thin
manu/o-
hand
masset/o-
chewing
mastic/o-
chewing
mast/o-
breast; mastoid process
mastoid/o-
mastoid process
matur/o-
mature
maxill/o-
maxilla (upper jaw)
mediastin/o-
mediastinum
medic/o-
physician; medicine
medi/o-
middle
medull/o-
medulla (inner region)
meg/a-
large
megal/o-
large
-megaly
enlargement
melan/o-
black
melen/o-
black
meningi/o-
meninges
mening/o-
meninges
menisc/o-
meniscus (crescent-shaped cartilage)
men/o-
month
menstru/o-
monthly discharge of blood
-ment
action; state
ment/o-
mind; chin
mesenter/o-
mesentery
mesi/o-
middle
meso-
middle
meta-
after; subsequent to; transition; change
metabol/o-
change, transformation
-meter
instrument used to measure
metri/o-
uterus (womb)
metr/o-
measurement; uterus (womb)
-metry
process of measuring
micr/o-
small; one millionth
micturi/o-
making urine
mid-
middle
-mileusis
process of carving
mineral/o-
mineral; electrolyte
mi/o-
lessening
mit/o-
threadlike structure
mitr/o-
structure like a miter (tall hat with 2 points)
mitt/o-
to send
mon/o-
one, single
morbid/o-
disease
morb/o-
disease
morph/o-
shape
mort/o-
death
mot/o-
movement
-motor
thing that produces movement
muc/o-
mucus
mucos/o-
mucous membrane
mult/i-
many
muscul/o-
muscle
mutat/o-
to change
myc/o-
fungus
mydr/o-
widening
myelin/o-
myelin
myel/o-
bone marrow; spinal cord; myelin
myring/o-
tympanic membrane (eardrum)
my/o-
muscle
myos/o-
muscle
myx/o-
mucus-like substance
narc/o-
stupor; sleep
nas/o-
nose
-nate
born
nat/o-
birth
nause/o-
nausea
necr/o-
death
ne/o-
new
nephr/o-
kidney; nephron
nerv/o-
nerve
neur/o-
nerve
neutr/o-
not taking part
nid/o-
nest; focus
-nine
pertaining to a single chemical substance
noct/o-
night
nod/o-
node (knob of tissue)
nodul/o-
small knobby mass
non-
not
norm/o-
normal, usual
nuch/o-
neck; nape of neck
nucle/o-
nucleus (of a cell or an atom)
nucleol/o-
nucleolus
null/i-
none
nutri/o-
nourishment
nutriti/o-
nourishment
obes/o-
fat
obsess/o-
besieged by thoughts
obstetr/o-
pregnancy and childbirth
obstip/o-
severe constipation
obstruct/o-
blocked by a barrier
occipit/o-
occiput (back of the head)
occlus/o-
close against
ocul/o-
eye
odont/o-
tooth
odyn/o-
pain
-oid
resembling
-ol
chemical substance
olfact/o-
the sense of smell
olig/o-
scanty
-olisthesis
abnormal condition and process of slipping
-oma
tumor, mass
-omatosis
abnormal condition of multiple tumors or masses
oment/o-
omentum
om/o-
tumor, mass
omphal/o-
umbilicus, navel
-on
a substance; structure
onc/o-
tumor, mass
-one
chemical substance
onych/o-
nail
o/o-
ovum (egg)
oophor/o-
ovary
operat/o-
perform a procedure; surgery
ophidi/o-
snake
ophthalm/o-
eye
-opia
condition of vision
opportun/o-
well timed; taking advantage of an opportunity
oppos/o-
forceful resistance
-opsy
process of viewing
optic/o-
lenses; properties of light
opt/o-
eye; vision
-or
person or thing that produces or does
orbicul/o-
small circle
orbit/o-
orbit (eye socket)
orchi/o-
testis
orch/o-
testis
orex/o-
appetite
organ/o-
organ
or/o-
mouth
orth/o-
straight
-ory
having the function of
-ose
full of
-osing
a condition of doing
-osis
condition; abnormal condition; process
osm/o-
the sense of smell
osse/o-
bone
ossicul/o-
ossicle (little bone)
ossificat/o-
changing into bone
oste/o-
bone
ot/o-
ear
oure/o-
urine
-ous
pertaining to
ovari/o-
ovary
ov/i-
ovum (egg)
ov/o-
ovum (egg)
ovul/o-
ovum (egg)
ox/i-
oxygen
ox/o-
oxygen
ox/y-
oxygen; quick
palat/o-
palate
palliat/o-
reduce the severity of
palpat/o-
touching, feeling
palpit/o-
to throb
pan-
all
pancreat/o-
pancreas
papill/o-
elevated structure
par-
beside
para-
beside, apart from; two parts of a pair; abnormal
parenchym/o-
parenchyma (functional cells of an organ)
-paresis
weakness
pareun/o-
sexual intercourse
pariet/o-
wall of a cavity
par/o-
birth
paroxysm/o-
sudden, sharp attack
part/o-
childbirth
-partum
childbirth
parturit/o-
to be in labor
patell/o-
patella (kneecap)
pat/o-
to lie open
-path
disease, suffering
pathet/o-
suffering
path/o-
disease, suffering
-pathy
disease, suffering
-pause
cessation
paus/o-
cessation
pect/o-
stiff
pector/o-
chest
pedicul/o-
lice
ped/o-
child
pelv/i-
pelvis (hip bone; renal pelvis)
pelv/o-
pelvis (hip bone; renal pelvis)
pendul/o-
hanging down
-penia
condition of deficiency
pen/o-
penis
pepsin/o-
pepsin
peps/o-
digestion
peptid/o-
peptide (two amino acids)
pept/o-
digestion
per-
through, throughout
percuss/o-
tapping
perfor/o-
to have an opening
peri-
around
perine/o-
perineum
peripher/o-
outer aspects
peritone/o-
peritoneum
periton/o-
peritoneum
perone/o-
fibula (lower leg region)
person/o-
person
petechi/o-
petechiae
-pexy
process of surgically fixing in place
phac/o-
lens (of the eye)
-phage
thing that exists
phag/o-
eating, swallowing
phak/o-
lens (of the eye)
phalang/o-
phalanx (finger or toe)
pharmaceutic/o-
medicine, drug
pharmac/o-
medicine, drug
pharyng/o-
pharynx (throat)
-pharynx
pharynx (throat)
phas/o-
speech
phe/o-
gray
-phil
attraction to, fondness of
-phile
person who is attracted to or fond of
phil/o-
attraction to, fondness for
phleb/o-
vein
phob/o-
fear or avoidance
phor/o-
to bear, to carry; range
phosph/o-
phosphorus
phot/o-
light
phren/o-
diaphragm; mind
phylact/o-
guarding or protecting
-phylaxis
condition of guarding or protecting
-phyma
tumor, growth
physic/o-
body
physi/o-
physical function
-physis
state of growing
phys/o-
inflate or distend; grow
-phyte
growth
pigment/o-
pigment
pil/o-
hair
pituitar/o-
pituitary gland
pituit/o-
pituitary gland
placent/o-
placenta
plak/o-
plaque
-plasm
growth; formed substance
plasm/o-
plasma; formed substance
-plant
procedure to transfer or graft
plas/o-
growth; formation
plast/o-
growth; formation
-plasty
process of reshaping by surgery
-plegia
condition of paralysis
pleg/o-
paralysis
pleur/o-
pleura (lung membrane)
-plex
parts
-pnea
breathing
pne/o-
breathing
pneum/o-
lung; air
pneumon/o-
lung; air
pod/o-
foot
-poiesis
condition of formation
-poietin
a substance that forms
poikil/o-
irregular
pol/o-
pole
polar/o-
two opposite poles
poly-
many, much
polyp/o-
polyp
poplite/o-
back of the knee
por/o-
small openings; pores
port/o-
point of entry
post-
after, behind
poster/o-
back part
potent/o-
being capable of doing
pract/o-
medical practice
pre-
before; in front of
pregn/o-
being with child
presby/o-
old age
press/o-
pressure
prevent/o-
prevent
preventat/o-
prevent
prim/i
first
pro-
before
-probe
rodlike instrument
proct/o-
rectum and anus
product/o-
produce
project/o-
throw forward
pronat/o-
lying face down
prostat/o-
prostate gland
prosthet/o-
artificial part
protein/o-
protein
prote/o-
protein
proxim/o-
near the center or point of origin
prurit/o-
itching
psor/o-
itching
psych/o-
mind
-ptosis
state of prolapsed or drooping; falling
-ptysis
abnormal condition of coughing up
puber/o-
growing up
pub/o-
pubis (hip bone)
pulmon/o-
lung
pulsat/o-
rhythmic throbbing
punct/o-
hole, perforation
pupill/o-
pupil (of the eye)
purul/o-
pus
pyel/o-
renal pelvis
pylor/o-
pylorus
py/o-
pus
pyret/o-
fever
pyr/o-
fire; burning
quadri-
four
quantitat/o-
quantity or amount
radic/o-
all parts including the root
radicul/o-
spinal nerve root
radi/o-
radius (forearm bone); x-rays; radiation
rap/o-
to seize and drag away
re-
again and again; backward; unable to
react/o-
reverse movement
recept/o-
receive
recess/o-
to move back
rect/o-
rectum
recuper/o-
recover
reduct/o-
to bring back; decrease
refract/o-
bend or deflect
regurgitat/o-
flow backward
relax/o-
relax
remiss/o-
send back
ren/o-
kidney
repress/o-
press back
resect/o-
to cut out and remove
resist/o-
withstand the effect of
resuscit/o-
revive or raise up again
retard/o-
to slow down or delay
retent/o-
keep, hold back
reticul/o-
small network
retin/o-
retina (of the eye)
retro-
behind, backward
rex/o-
appetite
rhabd/o-
rod shaped
rheumat/o-
watery discharge
rhin/o-
nose
rhiz/o-
spinal nerve root
rhytid/o-
wrinkle
rib/o-
ribonucleic acid
roentgen/o-
x-rays; radiation
rotat/o-
rotate
-rrhage
excessive flow or discharge
rrhag/o-
excessive flow or discharge
-rrhaphy
procedure of suturing
-rrhea
flow, discharge
rrhe/o-
flow, discharge
rrhythm/o-
rhythm
-rubin
red substance
rub/o-
red
rug/o-
ruga (fold)
sacchar/o-
sugar
sacr/o-
sacrum
sagitt/o-
going from front to back
saliv/o-
saliva
salping/o-
fallopian tube
-salpinx
fallopian tube
saphen/o-
standing
sarc/o-
connective tissue
satur/o-
filled up
scal/o-
series of graduated steps
scaph/o-
boat shaped
scapul/o-
scapula (shoulder blade)
schiz/o-
split
scient/o-
science; knowledge
scint/i-
point of light
scintill/o-
point of light
scler/o-
hard; sclera (white of the eye)
scoli/o-
curved, crooked
-scope
instrument used to examine
scop/o-
examine with an instrument
-scopy
process of using an instrument to examine
scot/o-
darkness
script/o-
write
scrot/o-
a bag; scrotum
sebace/o-
sebum (oil)
seb/o-
sebum (oil)
secret/o-
produce; secrete
sect/o-
to cut
sedat/o-
to calm agitation
semi-
half; partly
semin/i-
spermatozoon; sperm
semin/o-
spermatozoon; sperm
sen/o-
old age
sensitiv/o-
affected by; sensitive to
sensit/o-
affected by; sensitive to
sens/o-
sensation
sensor/i-
sensory
septic/o-
infection
sept/o-
septum (dividing wall)
ser/o-
serum of the blood; serumlike fluid
sex/o-
sex
sial/o-
saliva; salivary gland
sigmoid/o-
sigmoid colon
sin/o-
hollow cavity; channel
sinus/o-
sinus
-sis
condition; abnormal condition
skelet/o-
skeleton
soci/o-
human beings; community
somat/o-
body
-some
a body
somn/o-
sleep
som/o-
a body
son/o-
sound
sorb/o-
to suck up
-spasm
sudden, involuntary muscle contraction
spasm/o-
spasm
spasmod/o-
spasm
spast/o-
spasm
spermat/o-
spermatozoon; sperm
sperm/o-
spermatozoon; sperm
sphen/o-
wedge shape
sphenoid/o-
sphenoid bone or sinus
-sphere
sphere or ball
spher/o-
sphere or ball
sphincter/o-
sphincter
sphygm/o-
pulse
spin/o-
spine; backbone
spir/o-
breathe; a coil
splen/o-
spleen
spondyl/o-
vertebra
squam/o-
scalelike cell
stal/o-
contraction
-stalsis
process of contraction
staped/o-
stapes (stirrup-shaped bone)
-stasis
condition of standing still; staying in one place
stas/o-
standing still; staying in one place
stat/o-
standing still; staying in one place
steat/o-
fat
sten/o-
narrowness, constriction
stere/o-
three dimensions
stern/o-
sternum (breast bone)
-steroid
steroid
steroid/o-
steroid
-sterol
lipid-containing compound
steth/o-
chest
stigmat/o-
point, mark
stimul/o-
exciting, strengthening
stom/o-
surgically created opening or mouth
stomat/o-
mouth
-stomy
surgically creating opening
strangul/o-
to constrict
strept/o-
curved
stress/o-
disturbing stimulus
styl/o-
stake
sub-
below; underneath; less than
sucr/o-
sugar (cane sugar)
suct/o-
to suck
sudor/i-
sweat
su/i-
self
super-
above, beyond
superfici/o-
on or near the surface
super/o-
above
supinat/o-
lying on the back
supposit/o-
placed underneath
suppress/o-
press down
suppur/o-
pus formation
supra-
above
surg/o-
operative procedure
suspens/o-
hanging
sym-
together, with
symptomat/o-
collection of symptoms
syn-
together
syncop/o-
fainting
synovi/o-
synovium (membrane)
synov/o-
synovium (membrane)
system/o-
the body as a whole
-systole
contracting
systol/o-
contracting
tachy-
fast
tact/o-
touch
tampon/o-
stop up
tard/o-
late, slow
tars/o-
ankle
tax/o-
coordination
techn/o-
technical skill
tele/o-
distance
tempor/o-
temple (side of the head)
tendin/o-
tendon
tendon/o-
tendon
ten/o-
tendon
tens/o-
pressure, tension
terat/o-
bizarre form
termin/o-
end; boundary
testicul/o-
testis; testicle
tetr/a-
four
thalam/o-
thalamus
thanat/o-
death
thec/o-
sheath or layers of membranes
theli/o-
cellular layer
therapeut/o-
treatment
therap/o-
treatment
-therapy
treatment
therm/o-
heat
thorac/o-
thorax (chest)
-thorax
thorax (chest)
thromb/o-
thrombus (blood clot)
thym/o-
thymus; rage
thyr/o-
shield-shaped structure (thyroid gland)
thyroid/o-
thyroid gland
tibi/o-
tibia (shin bone)
-tic
pertaining to
till/o-
to pull out
-tion
a process; being or having
toc/o-
labor and childbirth
toler/o-
to become accustomed to
-tome
instrument used to cut; an area with distinct edges
tom/o-
a cut, slice, or layer
-tomy
process of cutting or making an incision
ton/o-
pressure; tone
tonsill/o-
tonsil
-tope
place, position
topic/o-
a specific area
tort/i-
twisted position
-tous
pertaining to
toxic/o-
poison, toxin
tox/o-
poison
trabecul/o-
trabecula (mesh)
trache/o-
trachea (windpipe)
trac/o-
visible path
tract/o-
pulling
tranquil/o-
calm
trans-
across, through
transit/o-
changing over from one thing to another
transplant/o-
move something to another place
traumat/o-
injury
tremul/o-
shaking
-tresia
opening or hole
tri-
three
trich/o-
hair
trigemin/o-
threefold
triglycerid/o-
triglyceride
-tripsy
the process of crushing
-triptor
thing that crushes
trochanter/o-
trochanter
trochle/o-
structure shaped like a pulley
-tron
instrument
troph/o-
development
-trophy
process of development
trop/o-
having an affinity for; stimulating; turning
tubercul/o-
nodule; tuberculosis
tuber/o-
nodule
tuberos/o-
knoblike projection
tub/o-
tube
tubul/o-
tube, small tube
turbin/o-
scroll-like structure; turbinate
tuss/o-
cough
-ty
quality or state
tympan/o-
tympanic membrane (eardrum)
-type
particular kind of; a model of
-ual
pertaining to
-ula
small thing
-ular
pertaining to something small
ulcerat/o-
ulcer
-ule
small thing
uln/o-
ulna (forearm bone)
ultra-
beyond; higher
-um
a structure
umbilic/o-
umbilicus, navel
un-
not
ungu/o-
nail
uni-
single, not paired
-ure
system; result of
ureter/o-
ureter
urethr/o-
urethra
urin/o-
urine; urinary system
ur/o-
urine; urinary system
uter/o-
uterus (womb)
uve/o-
uvea (of the eye)
vaccin/o-
giving a vaccine
vagin/o-
vagina
vag/o-
vagus nerve
valv/o-
valve
valvul/o-
valve
varic/o-
varix; varicose vein
vascul/o-
blood vessel
vas/o-
blood vessel; vas deferens
veget/o-
vegetable
vegetat/o-
growth
venere/o-
sexual intercourse
ven/i-
vein
ven/o-
vein
ventil/o-
movement of air
ventilat/o-
movement of air
vent/o-
a coming
ventricul/o-
ventricle (lower hear chamber; chamber in the brain)
ventr/o-
front; abdomen
verd/o-
green
-verse
to travel; to turn
vers/o-
to travel; to turn
vertebr/o-
vertebra
vert/o-
to travel; to turn
vesic/o-
bladder; fluid-filled sac
vesicul/o-
bladder; fluid-filled sac
vestibul/o-
vestibule (entrance)
vest/o-
to dress
viril/o-
masculine
vir/o-
virus
viscer/o-
viscera (internal organs)
viscos/o-
thickness
vis/o-
sight; vision
vitre/o-
vitreous humor; transparent substance
voc/o-
voice
volunt/o-
done by one's own free will
vuls/o-
to tear away
vulv/o-
vulva
xanth/o-
yellow
xen/o-
foreign
xer/o-
dry
xiph/o-
sword
-zoon
animal; living thing
zygomat/o-
zygoma (cheek bone)