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Medical Terminology
Prefixes, Suffixes and Root Words
Question | Answer |
---|---|
(o)logist | specialist |
(o)logy | study of |
(o)stomy | creating a new or artificial opening |
(o)tomy | incision into |
(r)rhagia | hemorrhage |
(r)rhaphy | suture of |
(r)rhea | discharge; flow |
(r)rhexis | rupture |
a- | no; not; without |
ab- | away from |
abdomin/o | abdomen |
-ac | pertaining to |
acid/o | sour; bitter |
acoust/o | hearing |
acr/o | extremities |
aden/o | gland |
adenoid/o | adenoid |
adip/o | fat |
adren/o | adrenal glands |
adrenal/o | adrenal glands |
agglutin/o | to clump |
-al | pertaining to |
-algia | pain |
alveol/o | alveolus |
amni/o | amnion |
amnion/o | amnion |
an- | no; not; without |
an/o | anus |
ana- | no; not; without |
andr/o | male; man |
aneurysm/o | aneurysm |
angi/o | vessel |
ankyl/o | stiff |
ante- | before |
anter/o | front |
anti- | against |
antrac/o | coal |
append/o | appendix |
appendic/o | appendix |
aque/o | watery |
arachn/o | spider |
arter/o | artery |
arteri/o | artery |
arteriol/o | arteriole |
arthr/o | joint |
articul/o | joint |
-ary | pertaining to |
-asthenia | without feeling or sensation |
astr- | star |
atel/o | incomplete |
ather/o | fat; fatty plaque; fatty |
audi/o | hearing; sound |
auto- | self |
balan/o | glans penis |
bas/o | base |
bi- | two; double; both |
bil/i | bile; gall |
-blast | immature; embryonic |
blast/o | immature |
blephar/o | eyelid |
brady- | slow |
bronch/o; bronch/I | bronchus |
bronchiol/o | bronchiole |
bucc/o | cheek |
burs/o | bursa; sac |
calc/i | calcium |
-capnia | carbon dioxide |
carcin- | cancer; malignant |
cardi/o | heart |
carp/o | wrist bones |
cec/o | cecum |
ceil/o | abdomen |
-cele | hernia; protrusion |
celi/o | abdomen |
-centesis | surgical puncture to remove fluid |
cephal/o | head |
cerebell/o | cerebellum |
cerebr/o | cerebrum |
cervic/o | cervix |
cheil/o | lips |
chol/e | bile; gall |
cholangi/o | bile duct |
cholecyst/o | gallblader |
choledoch/o | common bile duct |
chondr/o | cartilate |
chori/o | chorion |
-clasia | surgical breaking |
-clasis | surgical breaking |
clavicul/o | clavicle; collarbone |
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 |
contra- | against; opposite |
cor/o | heart |
corne/o | cornea |
coron/o | heart |
cortic/o | cortex |
cost/o | rib |
crani/o | cranium; skull |
-crine | to secrete |
-crit | to separate |
cry/o | cold |
crypt/o | hidden |
-cusia | hearing |
-cusis | hearing |
cut/o | skin |
cutane/o | skin |
cyan/o | blue; bluish |
cyst/o | bladder; sac; urinary bladder |
cyt/o | cell |
-cytosis | conditon of cells |
dacry/o | tears |
dacryocyst/o | tear sac |
dendr/o | branching |
dermat/o | skin |
dermo/o | skin |
-desis | binding; fixation |
dipl/o | two; double |
dips/o | thirst |
dors/o | back |
duoden/o | duodenum |
dura- | hard |
-dynia | pain |
dys- | abnormal; painful; difficult |
echo- | sound |
ect- | outside; out |
-ectasis | stretching; dilation |
-ectomy | surgical removal; excision |
electro/o | electricty |
embry/o | embryo |
-emesis | vomiting |
-emia | blood condition |
en- | within; in; inward |
encephal/o | brain |
endo- | within; inner |
endocrin/o | endocrine |
enter/o | intestines |
eosin/o | rosy red; rosy |
epi- | above |
epididym/o | epididymis |
epiglott/o | epiglottis |
epis/o | vulva |
eso- | within; in; inward |
esophag/o | esophagus |
eu- | same |
ex- | out; outward |
fasci/o | fascia; fibrous tissue |
femor/o | femur; thighbone |
fet/o; fet/I | fetus |
fibr/o | fiber; fibrous tissue |
fibul/o | fibula; outer lower leg bone |
fund/o | fundus |
gastr/o | stomach |
-gen | producing; forming |
-genesis | producing; forming |
-genic | producing; forming |
gingiv/o | gums |
glauc/o | silver; gray |
gli/o | neuroglia; nerve cell |
-globin | protein |
-globulin | protein |
glomerul/o | glomerulus |
gloss/o | tongue |
gluc/o | glucose; sugar; sweet |
glyc/o | glucose; sugar; sweet |
gonad/o | sex glands |
-gram | record; picture; x-ray film |
granul/o | granules |
-graph | instrument for recording |
-graphy | process of recording |
gravid/o | pregnancy |
gyn/o | woman |
gynec/o | woman |
hem/o | blood |
hemat/o | blood |
hemi- | half |
hepat/o | liver |
hidr/o | sweat |
hist/o | tissue |
humer/o | humerus; upper arm bone |
hydr/o | water; fluid |
hyper- | above; excessive |
hypo- | deficeint; below |
hyster/o | uterus |
-ia | condition; abnormal condition |
-iac | pertaining to |
-ic | pertaining to |
ile/o | ileum |
ili/o | ilium; pelvic bone |
immun/o | protection |
infra- | below; inferior |
inguin/o | groin |
inter- | between |
intra- | within |
ir/o | iris |
irid/o | iris |
is/o | equal |
ischi/o | ischium; pelvic bone |
iso- | same; equal |
-itis | inflammation |
jejun/o | jejunum |
kal/i | potassium |
kary/o | nucleus |
kerat/o | cornea; horny tissue; hard |
ket/o | ketone bodies |
-kinesia | movement |
kyph/o | humpback |
labyrinth/o | inner ear; labyrinth |
lacrim/o | tears |
lact/o | milk |
lamin/o | lamina; thin flat plate or layer |
lapar/o | abdominal wall |
laryng/o | larynx |
later/o | side; away from the midline |
leiomy/o | smooth muscle |
leuk/o | white |
ligament/o | ligament |
lingu/o | tongue |
lip/o | fat |
lip/o | fat |
lith/o | stone |
lord/o | swayback |
lumb/o | lower back; loin |
lymph/o | lymph |
lymphaden/o | lymph gland |
lymphangi/o | lymph vessel |
-lysis | destruction; breakdown |
-lytic | destruction; breakdown |
macro- | large |
mal- | bad; poor; abnormal |
-malacia | softening |
mamm/o | breast |
mandibul/o | mandible; lower jawbone |
mast/o | breast |
maxill/o | maxilla; upper jawbone |
meat/o | meatus; opening |
medi/o | middle |
megaly | enlarged; enlargement |
melan/o | black |
men/o | menses; menstruation |
mening/o | meninges |
meta- | change; after; beyond |
metacarp/o | hand bones |
metatars/o | foot bones |
-meter | instrument ot measure |
metr/I; metr/o | uterus |
-metry | measuring; to measure |
micro- | small |
mono- | one |
morph/o | form; shape |
muc/o | mucus |
multi- | many |
my/o | muscle |
myc/o | fungus |
myctal/o | night |
myel/o | bone marrrow; spinal cord |
myring/o | eardrum |
nas/o | nose |
nat/o | birth |
natr/o | sodium |
neo- | new |
nephr/o | kidney |
neur/o | nerve |
noct/o | night |
non- | not |
nucle/o | nucleus |
nulli- | none |
ocul/o | eye |
-oid | like; resembling |
olig/o | few; diminished |
-oma | tumor |
onych/o | nail |
oophor/o | ovary |
ophthalm/o | eye |
-opia | vision |
opt/o | vision; eye |
or/o | mouth |
orch/o | testis; testicle |
orchi/o | testis; testicle |
orchid/o | testis |
orth/o | straight |
-osis | condition; abnormal condition |
oste/o | bone |
ot/o | ear |
-ous | pertaining to |
ovari/o | ovary |
ox/i | oxygen |
oxy- | sharp; quick |
pachy/o | thick |
palpebr/o | eyelid |
pan- | all |
pancreat/o | pancreas |
par/o | bear; give birth to; labor; childbirth |
para- | beside; around |
-paresis | partial paralysis |
part/o | bear |
patell/o | patella; kneecap |
-pathy | disease; illness |
pector/o | chest |
pelv/i | pelvis |
-penia | deficiency; decreased number |
-pepsia | digestion |
per- | through |
peri- | around; surrounding |
perine/o | perineum |
peritone/o | peritoneum |
-pexy | surgical fixation |
phac/o | lens |
-phagia | eating; swallowing |
phalang/o | finger and toe bones |
pharyng/o | pharynx |
-philia | attraction to |
phleb/o | vein |
-phobia | abnormal fear |
-phonia | sound; voice |
-phoresis | carrying; transmission |
-phoria | feeling; mental state |
phot/o | light |
phren/o | diaphragm |
pil/o | hair |
-plasty | surgical repair |
-plegia | paralysis |
pleur/o | pleura |
Plural of a | ae |
Plural of en | ina |
Plural of ex or ix | ices |
Plural of ies | ietes |
Plural of is | es or ides |
Plural of nx | nges |
Plural of on | a |
Plural of um | a |
Plural of us | i |
-pnea | breathing |
pneum/o | lung; air |
-poiesis | formation; production of |
poikil/o | varied; irregular |
poly- | many; excessive |
polyp/o | polyp |
post- | after |
poster/o | back |
pre- | before; in front of |
presby- | old |
primi- | first; one |
proct/o | rectum |
prostat/o | prostate gland |
proxim/o | near |
-ptosis | drooping; sagging |
-ptysis | spitting up |
pub/i | pubis |
pub/o | pubis; pelvic bone |
puerper/o | childbirth |
pulmon/o | lungs |
pupill/o | pupil |
py/o | pus |
pyel/o | renal pelvis |
quadr/I | four |
radi/o | radius; outer lower arm bone |
rect/o | rectum |
ren/o | kidney |
retin/o | retina |
retro- | backard; behind; upward |
rhabdomy/o | skeletal muscle; striated muscle |
rhin/o | nose |
rhytid/o | wrinkles |
salping/o | fallopian tubes; oviducts |
sarc/o | flesh |
scapula/o | scapula; shoulder blade |
scler/o | hard; sclera |
-sclerosis | hardening |
scoli/o | crooked; bent |
-scope | instrument for viewing |
-scopy | visualization with a scope |
seb/o | sebum |
semi- | half |
semin/i | semen |
sial/o | salivary gland; saliva |
sigmoid/o | sigmoid colon |
sinus/o | sinus |
somat/o | body |
-somnia | sleep |
-spasm | contraction; twitching |
sperm/o | sperm; spermatic cord |
spermat/o | sperm; spermatic cord |
spher/o | sphere; round |
sphygm/o | pulse |
spin/o | spine |
spir/o | breathe |
splen/o | spleen |
spondyl/o | vertebra; vertebral column |
squam/o | scale |
staped/o | stapes; middle ear bone |
-stasis | control; stop; stopping or controlling |
-stenosis | narrowing |
stern/o | sternum; breastbone |
steth/o | chest |
stomat/o | mouth |
sub- | under; below; beneath |
sud/o | sweat |
sudor/o | sweat |
super- | above; over; excess |
supra- | above; on top of |
sym- | with; association |
syn- | together; with; union |
tachy- | fast |
tars/o | ankle bones |
ten/o | tendon |
tend/o | tendon |
tendin/o | tendon |
tenosynov/o | tendon sheath |
test/o | testis; testicle |
testicul/o | testis |
thec/o | sheath |
-therapy | treatment |
thorac/o | chest |
-thorax | chest; pleural cavity |
thromb/o | clot |
thym/o | thymus gland |
thyr/o | thyroid gland |
thyroid/o | thyroid gland |
-tocia | labor; birth |
-tome | cutting instrument |
-tonia | muscle tone |
tonsill/o | tonsils |
toxic/o | poison |
trache/o | trachea |
-tresia | opening |
tri- | three |
trich/o | hair |
-tripsy | crushing |
-trophy | growth; development |
-tropia | to turn; turning |
-tropin | stimulating effect of a hormone |
-tropion | to turn; turning |
tympan/o | eardrum |
umbilic/o | navel |
ungu/o | nail |
uni- | one |
ur/o | urine; urinary system |
ureter/o | ureter |
urethr/o | urethra |
-uria | urine; urination |
uter/o | uterus |
uve/o | uvea |
vagin/o | vagina |
vas/o | vessel; vas deferens |
ven/o | vein |
ventr/o | front side; belly |
ventricul/o | ventricle |
-version | to turn |
vertebr/o | vertebra |
vesic/o | urinary bladder |
viscer/o | internal organs |
vitre/o | glassy; jelly-like |
vulv/o | vulva |
xanth/o | yellow |
xer/o | dry |