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Word Roots
All Word Parts from the Study Notes Sheet
Term | Definition |
---|---|
adomin/o | abdomen |
acr/o | extemities |
aden/o | gland |
adenoid/o | adenoids |
adip/o | fat |
aden/o | adrenal glands |
adrenal/o | adrenal glands |
albumin/o | albumin |
alveo/o | alveoulous; air sac |
ambly/o | dull or dim |
amni/o | ammion |
an/o | anus |
angi/o | vessel |
anter/o | front (side of body) |
aort/o | aorta |
append/o | appendix |
appendic/o | appendix |
arteri/o | artery |
anteriol/o | arteriole |
arthr/o | joint |
atel/o | incomplete |
ather/o | fatty substance, plaque |
atri/o | atrium |
audi/o | hearing |
audit/o | hearing |
aur/o | ear |
azot/o | nitrogen waste |
bacteri/o | bacteria |
balan/o | glans penis |
bas/o | base |
bi/o | life |
blephar/o | eyelid |
brachi/o | arm |
bronch/o | bronchus |
bronchi/o | bronchus |
bronchiol/o | bronchiole |
burs/o | bursa |
carcin/o | cancer |
cardi/o | heart |
carp/o | carpals (wrist) |
caud/o | tail |
cephal/o | head |
cerebell/o | cerebellum |
cerebr/o | cerebrum |
cervic/o | neck, cervix |
chol/o | bile |
cholangi/o | bile duct |
cholecyst/o | gallbladder |
choledoch/o | common bile duct |
chondro/o | cartilage |
chori/o | chorion |
choroid/o | choroid layer |
clavicul/o | clavicle (collar bone) |
coagul/o | clotting |
coccyg/o | coccyx (tailbone) |
cochle/o | cochlea |
col/o | colon |
colon/o | colon |
colp/o | vagina |
coni/o | dust |
conjunctiv/o | conjunctiva |
core/o | pupil |
corne/o | cornea |
coron/o | heart |
corpor/o | body |
cortic/o | cortex |
cost/o | rib |
crani/o | skull |
crin/o | secrete |
cry/o | cold |
crypt/o | hidden |
cubit/o | elbow |
cutane/o | skin |
cyan/o | blue |
cycl/o | ciliary body |
cyst/o | bladder |
cyst/o | sac |
cyt/o | sac |
cyt/o | cell |
dacry/o | tears |
derm/o | skin |
dermat/o | skin |
dipl/o | double |
dist/o | farthest (away from the beginning of structure) |
diverticul/o | diverticulum |
dors/o | back (side of body) |
duoden/o | duodenum |
electr/o | electricity |
embol/o | plug |
embry/o | embryo |
encephal/o | brain |
enter/o | intestine |
eosin/o | rosy red |
epididym/o | epididymis |
epiglott/o | epiglottis |
episi/o | vulva |
erythr/o | red |
esophag/o | esophagus |
femor/o | femur (thigh bone) |
fet/o | fetus |
fibr/o | fibrous |
fibul/o | fibula (thinner lower leg bone) |
gastr/o | stomach |
genit/o | genitals |
glomerul/o | glomerulus |
glute/o | buttocks |
glycos/o | sugar, glucose |
gynec/o | woman, female |
hem/o | blood |
hemat/o | blood |
hepat/o | liver |
hidro/o | sweat |
humer/o | humerus (upper arm bone) |
hydr/o | water |
hyster/o | uterus |
ile/o | ileum |
ili/o | ilium (part of pelvis) |
immun/o | protection |
infer/o | below, lower |
inguin/o | groin |
ir/o | iris |
irid/o | iris |
isch/o | to keep back |
ischi/o | ischium (part of pelvis) |
jejun/o | jejunum |
kerat/o | keratin, hard , hornlike, cornea |
kyph/o | hump |
lacrim/o | tears |
lapar/o | abdomen |
laryng/o | larynx (voice box) |
later/o | side |
leuk/o | white |
lip/o | fat |
lith/o | stone |
lob/o | lobe |
lord/o | bent backward |
lumb/o | low back |
lymph/o | lymph |
lymphaden/o | lymph node |
lymphangi/o | lymph vessel |
mamm/o | breast |
mandibul/o | mandible (lower jaw) |
mast/o | breast |
maxill/o | maxilla (upper jaw) |
medi/o | middle |
mediastin/o | mediastinum |
medull/o | medulla oblongata |
melan/o | melanin, black |
men/o | mensus, menstruation |
mening/o | meninges |
metacarp/o | metacarpus (hand bones) |
metatars/o | metatarsus (foot bone) |
metr/o | uterus |
muscul/o | muscle |
my/o | muscle |
myc/o | fungus |
myel/o | bone marrow, spinal cord |
myring/o | tympanic membrane (eardrum) |
nas/o | nose |
nat/o | birth |
nephr/o | kidney |
neur/o | nerve |
neutr/o | neutral |
noct/o | night |
o/o | egg |
ocul/o | eye |
olig/o | scanty |
onych/o | nail |
oophor/o | ovary |
ophtalm/o | eye |
opt/o | eye, vision |
or/o | mouth |
orbit/o | eye socket |
orch/o | testes |
orchi/o | testes |
orchid/o | testes |
orth/o | straight |
oste/o | bone |
ot/o | ear |
ovari/o | ovary |
ox/o | oxygen |
pancreat/o | pancreas |
parathyroid/o | parathyroid gland |
patell/o | patella (knee cap) |
path/o | disease |
pelv/o | pelvis |
phac/o | lens |
phag/o | eating |
phalang/o | phalanges (fingers and toes) |
pharyng/o | pharynx (throat) |
phleb/o | vein |
phot/o | light |
pineal/o | pineal gland |
pituitar/o | pituitary gland |
pleur/o | pleura |
pneum/o | lung, air |
pneumon/o | lung |
polyp/o | polyps |
pont/o | pons |
poster/o | back (side of body) |
proct/o | rectum and anus |
prostat/o | prostate gland |
proxim/o | nearest (to beginning of structure) |
pub/o | pubis (part of pelvis) |
pulmon/o | lung |
pupil/o | pupil |
py/o | pus |
pyel/o | renal pelvis |
radi/o | radius (part of the forearm) |
rect/o | rectum |
ren/o | kidney |
retin/o | retina |
rhin/o | nose |
sacr/o | sacrum |
salping/o | fallopian tubes, uterine tubes |
scapul/o | scapula (shoulder blade) |
scler/o | sclera |
scoli/o | crooked, bent |
seb/o | sebum, oil |
semin/o | semen |
septic/o | infection |
sigmoid/o | sigmoid colon |
sinus/o | sinus |
son/o | sound |
sperm/o | sperm |
spermat/o | sperm |
sphygm/o | pulse |
spin/o | spine |
spir/o | breathing |
splen/o | spleen |
spondyl/o | vertebra |
stern/o | sternum (breast bone) |
steth/o | chest |
super/o | above, upper |
system/o | system |
tars/o | tarsals (ankle) |
ten/o | tendon |
tendin/o | tendon |
testicul/o | testes |
testicul/o | testicle |
thalam/o | thalamus |
thorac/o | chest |
thromb/o | clot |
thym/o | thymus, thymus gland |
thyr/o | thyroid gland |
thyroid/o | thyroid gland |
tibi/o | tibia (shin, larger lower leg bone) |
ton/o | tension, pressure |
tonsil/o | tonsils |
toxic/o | poison |
trache/o | trachea (windpipe) |
trich/o | hair |
tympan/o | tympanic membrane (eardrum) |
uln/o | ulna (part of forearm) |
ungu/o | nail |
ur/o | urine |
ureter/o | ureter |
urethr/o | urethra |
urin/o | urine |
uter/o | uterus |
vagin/o | vaina |
valv/o | valve |
valvul/o | valve |
varic/o | dilated vein |
vas/o | blood vessel (vas deferens) |
vascul/o | blood vessels |
ven/o | vein |
ventr/o | belly (side of body) |
ventricul/o | ventricle |
venul/o | venule |
vertebr/o | vertebra, back bone |
vesicul/o | seminal vesicle |
vitre/o | glassy |
xanth/o | yellow |
xer/o | dry |