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PREFIXES & SUFFIXES
Medical Terminology
| Prefix/Suffix | Meaning |
|---|---|
| a- | without or lack of |
| ab- | away (away from) |
| abdomin/o- | belly |
| -able | capable of |
| abort/io | to miscarry or miscarrying (natural or induced) |
| abrupt/io- | to tear away from |
| abcess | a going away |
| -ac | refers to or pertains to |
| -ory | refers to or pertains to |
| -us | refers to or pertains to |
| acanth/o- | thorny (skin growth) |
| access/o- | supplemental |
| acetabul/o- | vinegar cup or hip joint (for femur) |
| acne | pointed |
| acoust/i- | hearing |
| acr/o- | extremities, height and pointed |
| acrom/i- | extremities, height and pointed |
| actin/o- | sun, ray, radium |
| acu- | sharp |
| acus- | sharp |
| ad- | near or beside |
| aden/o- | gland |
| adhes/io- | to stick (together) |
| adip/o- | fat |
| aer/o- | air or gas |
| af- | toward |
| -age | relates to or pertains to |
| aggglutnin/o- | to clump |
| -agogue | inducing or leading |
| -agon | walls |
| -agra | pain |
| -al | refers to |
| alb/o- | white |
| albumin/o- | egg white |
| alges/i- | pain |
| -algia | pain |
| alimento/o | to nourish |
| alopec/i- | fox mange or baldness |
| alveol/i- | cavity |
| ambi- | both |
| amblyo- | dull |
| ambul/o- | to walk |
| -amine | nitrogen compound |
| amino- | organic compound |
| amnesi/o- | forgetful |
| amnio- | lambs caul 'small cap' |
| amphi- | both |
| amylo- | starch |
| an- | lack of or without |
| an/o- | ring |
| ana- | apart or up |
| ancone- | elbow |
| andr/o- | man or male |
| anecto- | without expansion or dilation |
| angi/o- | vessel |
| angin/o- | to choke |
| anil/i- | old women |
| anis/o- | unequal |
| ankyl/o- | fuse or bind |
| anomal/y | abnormal |
| ante- | before |
| anter/o- | before or foremost (in front) |
| anthr/o- | coal or carbuncle |
| anthrac/o- | coal or carbuncle |
| anthrop/o- | human |
| anti- | against |
| antr/o- | cavity |
| antr/um- | cavity or cavern |
| anuerysm- | dilation or ballooning |
| anxio- | restlessness, uneasy, apprehensive |
| -apheresis | to remove or separate |
| apo- | above or upon |
| aponeur/o- | upon tendon (sheet or sheath around tendon) |
| append/o- | appendage |
| aqua- | water |
| -ar | refers to |
| ar- | without or lack of |
| acrachn/ | spider |
| arachino- | spider |
| arche/o- | first |
| arche- | first |
| -aria | air |
| arteri/o- | artery |
| arthr/o- | joint |
| articul/o- | jointed |
| -ary | refers to |
| asbest/o- | unquenchable |
| ascar/i- | worm |
| asco- | bag |
| -ase | enzyme |
| aspergill/o- | to sprinkle |
| aster/o- | star |
| -asthenia | weakness |
| asthma- | panting |
| -ate | refers to or action |
| atelo- | incomplete, without end, imperfect (ending) |
| athero- | porridge or yellow fat |
| -ation | process of or procedure of |
| -ition | process of or procedure of |
| atm/o- | vapor or steam |
| -artresia | closure |
| atri/o- | chamber |
| attrit/i- | wearing out |
| audi- | hearing |
| aur/i- | ear |
| auricul/o- | ear |
| auscult/o- | to listen |
| auto- | self |
| aut- | self |
| avuls/i- | to tear |
| axill/o- | armpit or central |
| axio- | axle or axis |
| axo- | axle or axis |
| azoto- | urea nitrogen |
| azygo- | single |
| Bacill/o | ROD-LIKE |
| Bacteri/o- | ROD |
| Balan/o- | PENIS (GLANS PENIS) |
| Baro- | WEIGHT |
| Bary- | HEAVY |
| Bas/o- | basic |
| Bas/io- | at a base |
| Bene- | good or normal |
| Benign/i- | kind |
| Beri- | weakness |
| Bi- | two |
| Bil/i- (bil-) | bile or gall |
| Bin- | two |
| bio- | life |
| -blast | beginning or young |
| bleb/o- (bulla-) | blister |
| blenno- | mucus |
| blepharo- (palpebro-) | eyelid |
| bol/o- | lump or ball |
| -borg | orgasm |
| brach/i- | arm |
| brachy- | short |
| brady- | slow |
| brevi- | short |
| bronch/i- | windpipe or tracea-like |
| brux- | grinding |
| brucca- | cheek |
| bulba- | bister or vesicle |
| bula- | blister or vesicle |
| bulimo- | hunger |
| burs/o- | sac, wine-sac, or pouch |
| cac/o- | diseased or bad |
| cal/o- | heat, heated or hot |
| calcane/o- | heel |
| calcin/o- | calcium |
| calco- | pebbles or granules (of calcium mineral) |
| caligi/o- | dim vision |
| calyx- | cups |
| calix- | cups |
| call/o- | hardened skin |
| calx- | heel or lime |
| candid/i- | glowing white |
| canth/o- | corner of eye |
| capill/o- | hair-like |
| capit/o- | head |
| capn/o- | carbon dioxide |
| capsulo- | little box |
| caput- | head |
| carb/o- | carbon atoms, coal, or charcoal |
| carbun/o- | glowing ember |
| carbuncul/o- | glowing ember |
| carcin/o- | crab-like |
| cardi/o- | heart |
| carp/o- | wrist |
| cata- | breakdown or down |
| cataract | waterfall or cloudiness |
| catarrh- | to flow down |
| catheter/o- | to let down into |
| caud/o- | tall or toward tall |
| caust/o- | burn or heat |
| cau- | burn or heat |
| caus- | burn or heat |
| cav- | hollow |
| cebo- | meal or food |
| cec/o- | blind pouch |
| -cece | navel |
| -cele | swelling or tumor |
| cell/o- | abdomen or belly |
| cellul/o- | chambers |
| cement/o- | hard |
| ceno- | empty or common |
| keno- | empty or common |
| -centesis | surgical puncture to drain fluid |
| centi- | one-hundredth apart |
| centr/i- | center |
| centro- | center |
| cephalo- | head |
| -cept- | receiver |
| cerbr/o- | brain |
| ceru- | wax |
| cerv/i- | neck |
| chalas/i- | relaxation |
| chalaz/io- | hailstone (eyelid sebaceous cyst) |
| chancr/o- | ulcer (sore) |
| cheil/o- | lip |
| chilo- | lip |
| chiasma | a crossing |
| chiro- | hand |
| chlamyd/i- | to cloak or cover |
| chlor/o- | green |
| cholangio- | bile duct |
| chole- | bile or gall (ingredient of) |
| cholecyst/o- | gallbladder |
| choledoch/o- | gallbladder duct (canal) |
| cholera- | billary acute diarrhea |
| chondr/o- | cartilage |
| chordo- (cordo-) | cord |
| chorea- | dancing (shaking) |
| chrom/o- | colored |
| chyme- | juice |
| chyle- | juice |
| -cicatrix | scar |
| -cid | to kill |
| cil/i- | eyelash-like |
| cili- | eyelash or eyelash like |
| cimex- | bug |
| cine/o- | movement filming |
| circum- | around |
| cirrh/o- | yellow-oranged (jaundiced) |
| -cis | cut or to cut |
| cistern/o- | cavity |
| -clalasia | relaxation |
| -clast | breakdown |
| -clas | breakdown |
| clavicul/o- | collar bone (little key shape) |
| cleido- | hook, clavicle or collar bone |
| clino- | bent |
| clon/o- | turmoil |
| clubb/o- | rounding |
| -clysis | irrigation or injection |
| co- | two |
| coagulo/o- | clotting or clot |
| -coccus | berry |
| coccyg/o- | tailbone |
| cochle/o- | snail-like |
| coel- | hollow belly (cavity) |
| coit/o- | to come together (sexual union; inter/course "between/a flowing") |
| col/o- | colon big or large intestine |
| colon/o- | colon big or large intestine |
| colla/o- | glue |
| -collis | twisted |
| colob/o- | to mutilate |
| colpo- | vagina |
| com- | together |
| comato- | deep sleep |
| con- | together |
| conch/a- | shell |
| concuss/i- | violent shaking |
| condyl/o- | knuckle (nob) |
| coni/o- | dust |
| -conis | cone shaped |
| conjuctiv/o- | together joined (united) |
| -continence | contained |
| contra- | against |
| contrecoup | counter blow |
| contus/i- | bruise |
| convolo- | to roll together |
| corac/o- | crows beak (shape) |
| cord- | vocal chords cord |
| core/o- | pupil or iris (rainbow) |
| cori/o- | skin |
| corne/o- | cornea or horn (shape) |
| cornu- | horn or horny |
| coron/o- | crowning |
| coronal plane (aka: frontal plane) | crowning frontal body cut |
| corp/o- | body |
| cortic/o- | bark, outer bark, rind, or cortex |
| cost/o- | rib |
| cox/a- | hip, hip joint, (pelvis and femur) |
| cox/o- | hip, hip joint, (pelvis and femur) |
| crani/o- | skull |
| cras/o- | mixture |
| -creas | fleshy or flesh |
| crenat/o- | notched |
| cric/o- | ring |
| -crine | secrete |
| -crin | secrete |
| -crit | separate |
| cruc/i- | cross or cross-like |
| crur/o- | leg thigh or femur |
| crus/o- | leg thigh or femur |
| crust/- | scab or outer coat |
| cryo- | cold |
| crypto- | secret |
| cub/o- | cube or cube shaped |
| cubit/o- | elbow |
| culd/o- | blind pouch |
| -cule | little |
| cune/i- | wedge |
| currett/o- | scooping or scraping |
| -cusis | hearing |
| cusp/i- | pointed |
| cuti/o- (cut-) | skin |
| cutis- | skin |
| cyan/o- | blue |
| cycl/o- | circle |
| -cyesis | pregnancy |
| cyst/o- | bladder or sac |
| cyst- | bladder or sac |
| cyst/i- | bladder or sac |
| cystido- | bladder or sac |
| cyte- | cell or chamber |
| cyt- | cell or chamber |
| cyth- | cell or chamber |
| -cytosis | increase (in number) |
| dacryo- | tear |
| dactylo- | digits (fingers and toes) |
| de- | away |
| debride- | removal |
| deca- | one/tenth (1/10) |
| decem- | one/tenth (1/10) |
| decub/o- | to lie down |
| deep | most inward |
| deka-, dek- | ten |
| delta | fan shaped or triangular |
| dem/o- | people |
| demi- | half |
| dendr/o- | tree-shaped |
| DENT/O- | TOOTH OR TEETH |
| DON'T/O- | TOOTH OR TEETH |
| DEPRESS- | LOWER |
| DERM/O- | SKIN |
| DERMAT/O- | SKIN |
| -DESIS | BINDING, TO BAND OR A BAND |
| desmo- | ligament (also tendon) |
| deuter/o- | second or secondary |
| dextr/o- | rght |
| di- | two |
| dia- | across, through, total or complete, or between |
| diaphoro- | excessive sweating |
| -didymis | testis or teste |
| different- | to separate or apart |
| -deferens | to separate or apart |
| digit- | finger or toe |
| diplo- | double or two |
| dips/o- | thirst or thirsty |
| dipther/i- | membrane |
| dis- | away from or reversed |
| dist/o- | farther from |
| diverticul/o- | outpouching |
| doch/o- | duct or canal |
| doct/o- | to teach or teacher |
| dol/o- | pain |
| dolich/o- | long, seperation, dislocation |
| dors/o- | back |
| dos/e- (dose) | a giving |
| -dote | what is given |
| dracuncul/o- | little dragon (worm) |
| dromo- | running |
| du/o- | two |
| duct/o- | to draw or to lead (motion) away |
| duoden/o- | twelve |
| dura- | hard |
| dwarf/o- | small |
| dy/o- | two or a pair |
| dynam/o- | work or strength |
| -dynia | pain |
| dys- | diffucult, faulty or painful |
| -e | instrument |
| e- | out or remove |
| -eal | refers to |
| ec- | outside, outward, outer or out |
| ect- | outside, outward, outer or out |
| ecto- | outside, outward, outer or out |
| ecchymo/- | juice out |
| eccrine- | secreting or to secrete |
| echin/o- | prickly, spiny or notched |
| echo- | sound |
| -ectasis | dilation |
| -estasy | dilation |
| -ectomy | excisio or removal |
| eczema | to boil out |
| edema- | swelling |
| ef- | away or out |
| effer- | away or out |
| effus- | away or out |
| electr/o- | electrical |
| -ellum | lesser or smaller |
| em- | in |
| emac/i- | to grow thin |
| embryo- | early |
| -emesis | vomit |
| ernia | blood |
| emmetr/o- | normal or correct |
| emphysema | puffed up |
| en- | in |
| enamel | hard |
| encephal/o- | within head brain |
| -enchyma | anything poured in (essential organ part) |
| endo- | within or inside |
| enema | injection |
| entero- | intestine (usually refers to small intestine) |
| enuresis- | to void (expel) urine |
| eosin/o- | rose red (color) |
| epi- | upon |
| episi/o- | pubic region |
| -er | one who |
| -or | one who |
| -ergo | work or labor |
| eruct/o- | belching |
| erythermat/o- | red or flushed |
| erthr/o- | red |
| eschar | scab |
| eso- | toward |
| esthes/i- | feeling (physical) |
| estr/o- | female |
| ethm/o- | sieve |
| eti/o- | cause |
| eti/o- | cause |
| eu- | good or normal |
| ex- | out, outside, outward |
| exo- | out, outside, outward |
| extra- | out, outside, outward |
| facet | face |
| fac- | face |
| faci/o- | face |
| -facient | making |
| fasc/i- | band |
| febr/o- | fever |
| fec/o- | stool, fecal matter, or dung |
| scato- | stool, fecal matter, or dung |
| sterco- | srool, fecal matter or dung |
| femor/o- | thigh |
| fenestr/o- | window |
| -ference | to carry |
| ferro- | iron |
| fet/o- | young |
| fibrill/o- | to quiver |
| fibrin/o- | fiber-like |
| fibro- | fiber |
| fibul/o- | to clasp |
| fil- | thread |
| fila- | thread |
| fili- | thread |
| filar/i- | thread |
| fimbri/o- | fingers |
| fiss- | to split or splitting |
| fistul/o- | pipe or pipe-stem |
| flacci/o- | soft |
| flagell/o- | whip |
| flat/o- | to blow |
| flex- | to bend |
| -flect | to bend |
| flu- | flowing |
| -flux | to flow |
| foc/o- | center or hearth |
| fontan/o- | little fountain |
| formamen/o- | opening |
| fore- | before |
| -form | shaped shape or form |
| fossa- | furrow or shallow depression |
| fract/o- | to break |
| front/o- | forehead or before |
| -fuge | to flee |
| fulgur/o- | to lighten (with sparks burning tissue) |
| fulv/o- | brown |
| fund/o- | base or lage part (organ body) |
| fungi- | mushroom |
| furc/o- | branch or fork |
| furun/o- | boil |
| galact/o- | milk |
| gamet/o- | to marry, unite, or sexual union |
| gam/o- | to marry, unite, or sexual union |
| gangli/o- | knot swelling or collection knot |
| gangren/o- | eating sore |
| gastr/o- | stomach |
| gelat/o- | freeze or congeal |
| gelatino- | freeze or congeal |