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Combining forms

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

combining form
definition
abdomin/o   abdomen  
🗑
acous/o   hearing  
🗑
acr/o   extremities  
🗑
aden/o   gland  
🗑
adip/o   fat  
🗑
adren/o   adrenal glands  
🗑
adrenal/o   adrenal glands  
🗑
aer/o   air  
🗑
aggutin/o   clumping  
🗑
albin/o   white  
🗑
alges/o   sense of pain  
🗑
alveol/o   alveolus; air sac  
🗑
ambly/o   dull, dim  
🗑
amnes/o   forgetfulness  
🗑
amni/o   amnion  
🗑
an/o   anus  
🗑
andr/o   male  
🗑
angi/o   vessel  
🗑
ankyl/o   stiff joint  
🗑
anter/o   front  
🗑
anthrac/o   coal  
🗑
anxi/o   fear, worry  
🗑
aort/o   aorta  
🗑
append/o   appendix  
🗑
appendic/o   appendix  
🗑
aque/o   water  
🗑
arteri/o   artery  
🗑
arthr/o   joint  
🗑
articul/o   joint  
🗑
aspir/o   to breath in  
🗑
astr/o   star  
🗑
atel/o   incomplete  
🗑
ather/o   fatty substance  
🗑
atri/o   atrium  
🗑
audi/o   hearing  
🗑
aur/o   ear  
🗑
auricul/o   ear  
🗑
axill/o   axilla, underarm  
🗑
azot/o   nitrogenous waste  
🗑
bacteri/o   bacteria  
🗑
balan/o   glans penis  
🗑
bar/o   weight  
🗑
bas/o   base  
🗑
bi/o   life  
🗑
blast/o   immature, embryonic  
🗑
blephar/o   eyelid  
🗑
brachi/o   arm  
🗑
bronch/o   bronchus  
🗑
bronchi/o   bronchus  
🗑
bronchiol/o   bronchiole  
🗑
bucc/o   cheek  
🗑
burs/o   bursa, sac  
🗑
calc/o   calcium  
🗑
capsul/o   to box  
🗑
carcin/o   cancer  
🗑
cardi/o   heart  
🗑
carp/o   carpus, wrist  
🗑
caud/o   tail  
🗑
cec/o   cecum  
🗑
cephal/o   head  
🗑
cerebell/o   cerebellum  
🗑
cerebr/o   cerebrum  
🗑
cerumin/o   cerumen  
🗑
cervic/o   neck, cervix  
🗑
chem/o   chemical, drug  
🗑
chol/e   bile, gall  
🗑
cholangi/o   bile duct  
🗑
cholecyst/o   gallbladder  
🗑
choledoch/o   common bile duct  
🗑
chondr/o   cartilage  
🗑
chori/o   chorion  
🗑
chrom/o   color  
🗑
chromate/o   color  
🗑
cirrh/o   yellow  
🗑
cis/o   to cut  
🗑
clavicul/o   clavicle  
🗑
clon/o   rapid contracting and relaxing  
🗑
coagul/o   clotting  
🗑
coccyg/o   coccyx  
🗑
cochle/o   cochlea  
🗑
col/o   colon  
🗑
colon/o   colon  
🗑
colp/o   vagina  
🗑
compuls/o   drive, compel  
🗑
coni/o   dust  
🗑
conjunctiv/o   conjunctiva  
🗑
corne/o   cornea  
🗑
coron/o   heart  
🗑
corpor/o   body  
🗑
cortic/o   outer portion, cortex  
🗑
cost/o   rib  
🗑
crani/o   skull  
🗑
crin/o   to secrete  
🗑
crur/o   leg  
🗑
cry/o   cold  
🗑
crypt/o   hidden  
🗑
culd/o   cul-de-sac  
🗑
cutane/o   skin  
🗑
cyan/o   blue  
🗑
cycl/o   ciliary body, ciliary muscle  
🗑
cyst/o   bladder, pouch, sac  
🗑
cyt/o   cell  
🗑
dacry/o   tear duct, tears  
🗑
deluss/o   false belief  
🗑
dent/o   tooth  
🗑
depress/o   to press down  
🗑
derm/o   skin  
🗑
dermat/o   skin  
🗑
diaphor/o   profuse sweating  
🗑
diaphragmat/o   diaphragm  
🗑
dilat/o   to widen  
🗑
dipl/o   double  
🗑
dist/o   away from  
🗑
diverticul/o   pouch  
🗑
dors/o   back of body  
🗑
duct/o   to bring  
🗑
duoden/o   duodenum  
🗑
dur/o   dura mater  
🗑
electr/o   electricity  
🗑
embol/o   plug  
🗑
embry/o   embryo  
🗑
emmetr/o   correct, proper  
🗑
encephal/o   brain  
🗑
enter/o   small intestine  
🗑
eosin/o   rosy red  
🗑
epididym/o   epididymis  
🗑
epiglott/o   epiglottis  
🗑
episi/o   vulva  
🗑
epitheli/o   epithelium  
🗑
erg/o   work  
🗑
erythr/o   red  
🗑
esophag/o   esophagus  
🗑
esthes/o   sensation, feeling  
🗑
estr/o   female  
🗑
extens/o   to stretch out  
🗑
factiti/o   artificial, contrived  
🗑
fasci/o   fibrous band  
🗑
femor/o   femur  
🗑
fet/o   fetus  
🗑
fibr/o   fibers  
🗑
fibrin/o   fibers, fibrous  
🗑
fibul/o   fibula  
🗑
fluor/o   fluorescence, luminous  
🗑
fus/o   pouring  
🗑
gastr/o   stomach  
🗑
genit/o   genitals  
🗑
gingiv/o   gums  
🗑
glauc/o   gray  
🗑
gli/o   glue  
🗑
glomerul/o   glomerulus  
🗑
gloss/o   tongue  
🗑
gluc/o   glucose  
🗑
glute/o   buttock  
🗑
glyc/o   sugar  
🗑
glycos/o   sugar, glucose  
🗑
gonad/o   sex glands  
🗑
granul/o   granules  
🗑
gynec/o   female, women  
🗑
habilitat/o   ability  
🗑
hal/o   to breathe  
🗑
hallucin/o   imagined perception  
🗑
hem/o   blood  
🗑
hemat/o   blood  
🗑
hepat/o   liver  
🗑
hidr/o   sweat  
🗑
hist/o   tissue  
🗑
home/o   sameness  
🗑
humer/o   humerus  
🗑
hydr/o   water  
🗑
hymen/o   hymen  
🗑
hyster/o   uterus  
🗑
iatr/o   physician, medicine, treatment  
🗑
ichthy/o   scaly, dry  
🗑
idi/o   distinctive  
🗑
ile/o   ileum  
🗑
ili/o   ilium  
🗑
immun/o   immunity, protection  
🗑
infer/o   below  
🗑
inguin/o   groin region  
🗑
iod/o   iodine  
🗑
ir/o   iris  
🗑
irid/o   iris  
🗑
isch/o   to hold back  
🗑
ischi/o   ischium  
🗑
jejun/o   jejunum  
🗑
kal/i   potassium  
🗑
kerat/o   cornea, hard, horny  
🗑
ket/o   ketones  
🗑
keton/o   ketones  
🗑
kinesi/o   movement  
🗑
klept/o   to steal  
🗑
kyph/o   hump  
🗑
labi/o   lip  
🗑
labyrinth/o   labyrinth(inner ear)  
🗑
lacrim/o   tears  
🗑
lact/o   milk  
🗑
lamin/o   lamina, part of vertebra  
🗑
lapar/o   abdomen  
🗑
laps/o   to slide back  
🗑
laryng/o   larynx, voice box  
🗑
later/o   side  
🗑
leuk/o   white  
🗑
lingu/o   tongue  
🗑
lip/o   fat  
🗑
lith/o   stone  
🗑
lob/o   lobe  
🗑
lord/o   bent backwards  
🗑
lumb/o   loin, low back  
🗑
lymph/o   lymph  
🗑
lymphaden/o   lymph node  
🗑
lymphangi/o   lymph vessel  
🗑
macul/o   macula lutea  
🗑
mamm/o   breast  
🗑
mandibul/o   mandible  
🗑
mast/o   breast  
🗑
maxilla/o   maxilla  
🗑
meat/o   meatus  
🗑
medi/o   middle  
🗑
medull/o   inner portion, medulla, oblongata  
🗑
melan/o   black  
🗑
men/o   menses, menstruation  
🗑
mening/o   meninges  
🗑
meningi/o   meninges  
🗑
ment/o   mind  
🗑
metacarp/o   metacarpals  
🗑
metatars/o   metatarsals  
🗑
metr/o   uterus  
🗑
mi/o   lessening  
🗑
mineral/o   minerals, electrolytes  
🗑
miss/o   to send back  
🗑
morbid/o   ill  
🗑
morph/o   shape  
🗑
mort/o   death  
🗑
muc/o   mucus  
🗑
muscul/o   muscles  
🗑
mutat/o   to change  
🗑
my/o   muscle  
🗑
myc/o   fungus  
🗑
mydr/i   widening  
🗑
myel/o   bone marrow, spinal cord  
🗑
myocardi/o   heart muscle  
🗑
myos/o   muscle  
🗑
myring/o   tympanic membrane(eardrum)  
🗑
nas/o   nose  
🗑
nat/o   birth  
🗑
natr/o   sodium  
🗑
necr/o   death  
🗑
nephr/o   kidney  
🗑
neur/o   nerve  
🗑
neutr/o   neutral  
🗑
noct/i   night  
🗑
nucle/o   nucleus  
🗑
nyctal/o   night  
🗑
o/o   egg  
🗑
obsess/o   besieged by thoughts  
🗑
ocul/o   eye  
🗑
odont/o   tooth  
🗑
olig/o   scanty  
🗑
onc/o   tumor  
🗑
onych/o   nail  
🗑
oophor/o   ovary  
🗑
ophthalm/o   eye  
🗑
opt/o   eye, vision  
🗑
optic/o   eye, vision  
🗑
or/o   mouth  
🗑
orch/o   testes  
🗑
orchi/o   testes  
🗑
orchid/o   testes  
🗑
orth/o   straight, correct, upright  
🗑
oste/o   bone  
🗑
ot/o   ear  
🗑
ovari/o   ovary  
🗑
ox/o   oxygen  
🗑
ox/i   oxygen  
🗑
palat/o   palate  
🗑
pancreat/o   pancreas  
🗑
papill/o   optic disc  
🗑
parathyroid/o   parathyroid gland  
🗑
patell/o   patella  
🗑
path/o   disease  
🗑
pect/o   chest  
🗑
ped/o   child, foot  
🗑
pedicul/o   lice  
🗑
pelv/o   pelvis  
🗑
pen/o   penis  
🗑
perine/o   perineum  
🗑
peritone/o   peritoneum  
🗑
phac/o   lens  
🗑
phag/o   eat, swallow  
🗑
phalang/o   phalanges  
🗑
pharmac/o   drug  
🗑
pharyng/o   pharynx(throat)  
🗑
phleb/o   vein  
🗑
phob/o   irrational fear  
🗑
phon/o   sound  
🗑
phot/o   light  
🗑
phren/o   mind  
🗑
physic/o   body  
🗑
pineal/o   pineal gland  
🗑
pituitar/o   pituitary gland  
🗑
plant/o   sole of foot  
🗑
pleur/o   pleura  
🗑
pneum/o   lung, air  
🗑
pneumon/o   lung, air  
🗑
pod/o   foot  
🗑
poli/o   gray matter  
🗑
polyp/o   polyp  
🗑
pont/o   pons  
🗑
poster/o   back  
🗑
presby/o   old age  
🗑
proct/o   rectum and anus  
🗑
prostat/o   prostate gland  
🗑
prosthet/o   addition  
🗑
protein/o   protein  
🗑
proxim/o   near to  
🗑
psych/o   mind  
🗑
pub/o   genital region, pubis  
🗑
pulmon/o   lung  
🗑
pupill/o   pupil  
🗑
py/o   pus  
🗑
pyel/o   renal pelvis  
🗑
pylor/o   pylorus  
🗑
pyr/o   fire  
🗑
radi/o   radius, ray(x-ray)  
🗑
radic/o   root  
🗑
radicul/o   nerve root  
🗑
rect/o   rectum  
🗑
recumb/o   to lie back  
🗑
ren/o   kidney  
🗑
retin/o   retina  
🗑
rhin/o   nose  
🗑
rhytid/o   wrinkle  
🗑
roentgen/o   x-ray  
🗑
rotat/o   to revolve  
🗑
sacr/o   sacrum  
🗑
salping/o   auditory tube(Eustachian tube), uterine tubes, fallopian tubes  
🗑
sanguin/o   blood  
🗑
sarc/o   flesh(muscular substance)  
🗑
scapul/o   scapula  
🗑
schiz/o   split  
🗑
scler/o   hard, sclera  
🗑
scoli/o   crooked, bent  
🗑
seb/o   oil  
🗑
sect/o   to cut  
🗑
sept/o   a wall  
🗑
septic/o   infection  
🗑
sialaden/o   salivary gland  
🗑
sigmoid/o   sigmoid colon  
🗑
sinus/o   sinus, cavity  
🗑
soci/o   society  
🗑
somat/o   body  
🗑
somn/o   sleep  
🗑
son/o   sound  
🗑
specul/o   to look at  
🗑
spermat/o   sperm  
🗑
sphygm/o   pulse  
🗑
spin/o   spine  
🗑
spir/o   breathing  
🗑
splen/o   spleen  
🗑
spondyl/o   vertebrae  
🗑
staped/o   stapes  
🗑
stern/o   sternum  
🗑
steth/o   chest  
🗑
stigmat/o   point  
🗑
super/o   above  
🗑
synov/o   synovial membrane  
🗑
synovi/o   synovial membrane  
🗑
system/o   systems  
🗑
tars/o   ankle, tarsus  
🗑
ten/o   tendon  
🗑
tenacul/o   to hold  
🗑
tend/o   tendon  
🗑
tendin/o   tendon  
🗑
testicul/o   testes, testicle  
🗑
thalam/o   thalamus  
🗑
thec/o   sheath(meninges)  
🗑
therm/o   heat  
🗑
thorac/o   chest, thorax  
🗑
thromb/o   clot  
🗑
thym/o   thymus gland  
🗑
thyr/o   thyroid gland  
🗑
thyroid/o   thyroid gland  
🗑
tibi/o   tibia  
🗑
tom/o   to cut  
🗑
ton/o   tone  
🗑
tonsill/o   tonsils  
🗑
topic/o   a specific area  
🗑
tox/o   poison  
🗑
toxic/o   poison  
🗑
trache/o   trachea, windpipe  
🗑
trich/o   hair  
🗑
tuss/o   cough  
🗑
tympan/o   tympanic membrane(eardrum)  
🗑
uln/o   ulna  
🗑
ungu/u   nail  
🗑
ur/o   urine  
🗑
ureter/o   ureter  
🗑
urethr/o   urethra  
🗑
urin/o   urine  
🗑
uter/o   uterus  
🗑
uve/o   choroid  
🗑
vagin/o   valve  
🗑
valvul/o   valve  
🗑
varic/o   dilated vein  
🗑
vas/o   vas deferens, vessel, duct  
🗑
vascul/o   blood vessel  
🗑
ven/o   vein  
🗑
ventr/o   belly  
🗑
ventricul/o   brain ventricle, ventricle  
🗑
vers/o   to turn  
🗑
vertebr/o   vertebra  
🗑
vesic/o   bladder  
🗑
vesicul/o   seminal vesicle  
🗑
viscer/o   internal organ  
🗑
vitre/o   glassy  
🗑
xer/o   dry  
🗑


   

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