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Medical Terminology
Supplemental Study Tool
| Term | Definition |
|---|---|
| acr/o | extremities |
| amb/i | both sides/double |
| anter/o | front |
| aut/o | self |
| axill/o | armpit, axilla |
| blephar/o | eyelid or eyelash |
| brachi/o | arm |
| bucc/o | cheek |
| canth/o | angle formed where eyelids meet |
| capit/o | head |
| carp/o | wrist |
| caud/o | tail/downward |
| cephal/o | head |
| cervic/o | neck or cervix (neck of uterus) |
| cheil/o, chil/o | lip |
| chier/o, chir/o | hand |
| cili/o | eyelid or eyelash, or small hairlike processes |
| cor/e, cor/o | pupil of eye |
| crani/o | skull |
| cubit/o | elbow |
| dactyl/o | fingers or toes |
| derm/a, derm/o, dermat/o | skin |
| dors/i, dors/o | back or posterior |
| faci/o | face |
| gingiv/o | gums |
| gloss/o | tongue |
| gnath/o | jaws |
| inguin/o | groin |
| irid/o | iris of eye |
| labi/o | lips |
| lapar/o | abdomen, loin, or flank |
| later/o | side |
| lingu/o | tongue |
| mamm/a, mamm/o | breast |
| mast/o | breast |
| nas/o | nose |
| occipit/o | back of head |
| ocul/o | eye |
| odon/t | teeth |
| omphal/o | umbilicus |
| onych/o | nails |
| optic/o, opt/o | seeing, sight |
| or/o | mouth |
| ot/o | ear |
| papill/o | nipple |
| pelv/o, pelv/i | pelvis |
| phall/o | penis |
| pil/o | hair |
| pod/o | foot |
| rhin/o | nose |
| somat/o | body |
| steth/o | chest |
| stomat/o | mouth |
| tal/o | ankle |
| tars/o | foot |
| thorac/o | chest/thorax |
| trachel/o | neck or necklike |
| trich/o | hair or hairlike |
| ventr/i, ventr/o | front of body |
| abdomin/o | abdomen |
| acanth/o | spiny or thorny |
| acetabul/o | acetabulum |
| acromi/o | acromium |
| aden/o | gland |
| adip/o | fat |
| adren/o | adrenal gland |
| alveoli/o | air sac |
| angi/o | vessel |
| an/o | anus |
| aort/o | aorta |
| arteri/o, arter/o | artery |
| arteriol/o | arteriole |
| aspir/o | to breathe in |
| ather/o | plaque, fat |
| athr/o, articul/o | joint |
| atri/o | atrium |
| audi/o, aur/i | hearing |
| balan/o | glans penis |
| bio- | life |
| bronch/i, bronch/o | bronchus |
| bronchiol/o, bronchiol/i | bronchiole |
| carcin/o | cancer |
| cardi/o | heart |
| cellul/o | cell |
| cerebell/o | cerebellum |
| cerebr/i, crebr/o | cerebrum |
| cholangi/o | bile duct |
| chol/e | bile |
| cholecyst/o | gallbladder |
| choledoch/o | common bile dile |
| chondr/i, chondr/o | cartilage |
| chrom/o, chromat/o | color |
| col/o, colon/o | colon |
| colp/o | vagina |
| cost/o | rib |
| cry/o | cold |
| crypt/o | hidden |
| cutane/o | skin |
| cyan/o | blue |
| cysti, cyst/o | bladder or cyst |
| cyt/o | cell |
| dipl/o | double, twice |
| duoden/o | duodenum |
| encephal/o | brain |
| enter/o | intestine |
| episi/o | vulva |
| erythr/o | red |
| esophag/o | esophagus |
| fibr/o | fibers |
| galact/o | milk |
| gastr/o | stomach |
| glyc/o | sugar |
| gynec/o | female |
| hemat/o, hem/o | blood |
| hepat/o, hepatic/o | liver |
| heter/o | other, different |
| hidr/o | sweat |
| hist/o, histi/o | tissue |
| hom/o, home/o | same, alike |
| hydr/o | water, wet |
| hyster/o | uterus |
| iatr/o | treatment |
| ile/o | ileum (intestine) |
| ili/o | ilium (pelvic bone) |
| intestin/o | intestine |
| jejun/o | jejunum |
| kerat/o | cornea of eye, horny tissue |
| lacrima | tears |
| laryng/o | larynx |
| leuk/o | white |
| lipid/o | fat |
| lith/o | stone (in gallbladder or kidney) |
| lymph/o | lymph vessels |
| melan/o | black |
| men/o | menses, menstration |
| mening/o | meninges |
| metr/a, metr/o | uterus |
| my/o | muscle |
| myel/o | bone marrow or spinal cord |
| myring/o | eardrum |
| nat/o | birth |
| necr/o | death |
| nephr/o | kidney |
| neur/o | nerve |
| oophor/o | ovary |
| orchid/o, orchi/o | testis |
| oss/eo, oss/i, ost/e, ost/eo | bone |
| palat/o | roof of mouth |
| path/o | disease |
| peritne/o | peritoneum |
| pharmac/o | drug |
| pharyng/o | pharynx |
| phleb/o | vein |
| phren/o | diaphragm |
| pleur/o | pleura, rib (side) |
| pneuma/a, pneum/o | lungs |
| pneum/ato, pneum/ono | lungs |
| poli/o | gray matter of nervous system |
| proct/o | rectum, anus |
| pulmon/o | lungs |
| py/o | pus |
| pyel/o | pelvis of kidney |
| rect/o | rectum |
| ren/i, ren/o | kidney |
| sacr/o | sacrum |
| salping/o | fallopian tube |
| sarc/o | flesh |
| scapul/o | scapula |
| sept/o | infection |
| splen/o | spleen |
| spondyl/o | vertebra |
| stern/o | sternum |
| tend/o, ten/o, tendin/o | tendon |
| testicul/o | testis |
| therm/o | heat |
| thorac/o | chest |
| thym/o | thymus |
| thyr/o | thyroid gland |
| thyroid/o | thyroid gland |
| tonsil/o | tonsils |
| trache/o | trachea |
| tympan/o | eardrum |
| ur/e, ur/ea, ur/eo, urin/o, ur/o | urine |
| ureter/o | ureter |
| urethr/o | urethra |
| uter/o | uterus |
| vas/o | vas deferens |
| ven/o, ven/i | vein |
| vesic/o | bladder |
| viscer/o | viscera (internal organs) |
| xanth/o | red, redness |
| xer/o | dry |
| a-, an- | lack of, without, not |
| ante- | before, in front of, forward |
| anti- | opposing, against |
| bi- | double, two, twice, both |
| co-, con-, com- | together, with |
| de- | down, from |
| di- | twice, two |
| extra-, extro- | beyond, outside of, outward |
| hemi-, semi- | half, half of |
| hyper- | above, excessive, beyond |
| hyp-, hypo- | below, beneath, deficient |
| infra- | below, beneath |
| inter- | between |
| intra- | within, inside |
| intro- | into, within |
| macro- | large |
| micro-, micr- | tiny, small |
| post- | after, following, behind |
| pre-, pro- | in front of, before, preceding |
| retro- | behind, backward |
| semi- | half |
| trans- | through, across |
| tri- | three |
| ultra- | excessive, beyond |
| -ac | related to, pertaining to |
| -ic | related to, pertaining to |
| -al | related to, pertaining to |
| -ous | related to, pertaining to |
| -tic | related to, pertaining to |
| -ate | subject to, use |
| -ize | subject to, use |
| -ent | person, agent |
| -er | person, agent |
| -ist | subject to, use |
| -genic | produced by |
| -gram | a written record |
| -graph | instrument used to record |
| -graphy | process of recording |
| -ism | condition or theory |
| -itis | inflammation |
| -ologist | one who studies, scientist |
| -ology | study of, process of study |
| -oma | tumor |
| -pathy | disease, disease process |
| -phobia | morbid fear or intolerance |
| -scope | instrument used to visually examine |
| -scopy | process of visual examination |
| ab- | moving away from |
| ad- | drawing toward |
| anterior- | front |
| posterior- | back |
| bio- | life |
| necro- | death |
| brady- | slow |
| tachy- | fast |
| endo- | within, inside |
| exo- | outside |
| eu- | normal, well |
| dys- | difficult, unwell |
| proximal- | near |
| distal- | away from |
| superior- | above |
| inferior- | below |
| cholic | an acid, related to bile |
| colic | severe abdominal pain |
| ileum | a portion of the colon |
| ilium | a part of the pelvic bone |
| lyse | to break |
| pneumonic | pertaining to the lungs |
| mucus | secretion of the mucous membranes |
| mucous | adjective from of mucus (resembling mucus) |
| pleural | pertaining to the lung |
| sycosis | inflammation of hair follicles |
| radicle | a vessel's smallest branch |
| venous | pertaining to a vein |
| ablation | surgical removal |
| afferent | toward the center |
| efferent | away from the center |
| antidote | a remedy to treat poisoning |
| -megaly | enlargement of |
| -centesis | a surgical puncture to withdraw or aspirate fluid |
| -ectomy | surgical removal of |
| -otomy | surgical incision or cutting into |
| -ostomy | surgical creation of an artificial-plasty opening |
| -plasty | surgical repair |
| ana- | up, apart |
| ap- apo- | separated or derived from |
| brachy- | short |
| cata- | lower, down, against |
| circum- | around |
| contra- | against, opposed to |
| dia- | through, apart, across, between |
| dis- | apart from or free from |
| e-, ec-, ex- | from, away from, out of |
| ect-, exo-, ecto- | outside, outer, on |
| em-, en- | in |
| epi-, ep- | upon, over, on |
| mal- | bad |
| mes-, meso- | middle |
| meta- | beyond, changing |
| mono- | one |
| uni- | one |
| mult-, multi- | multiple, many |
| neo- | new, recent |
| oligo- | scanty |
| pan- | all |
| para- | beyond, beside, after |
| per- | through |
| peri- | around |
| poly- | many, excessive |
| presby- | old age |
| pseudo- | false |
| quadri- | four |
| re- | backward, again |
| sub- | under, beneath |
| super-, supra- | above, excessive, superior |
| sym-, syn- | with, together |
| -algia | pain, discomfort |
| -dynia | pain, discomfort |
| -arche | beginning |
| -cele | protrusion (hernia) |
| -cidal, -cide | kill, destroy |
| -cle | small |
| -cule | small |
| -ule | small |
| -ulus | small |
| -cyte | cell |
| -desis | surgical fusion or binding |
| -ectasis, ectasia | stretching, dilatation |
| -ectomy | cutting out, surgical removal |
| -emesis | vomit |
| -emia | pertaining to blood, a blood condition |
| -esis | state of or condition of |
| -ia | state of or condition of |
| -iasis | state of or condition of |
| -ity | state of or condition of |
| -osis | state of or condition of |
| -sis | state of or condition of |
| -tion | state of or condition of |
| -y | state of or condition of |
| -form | looking like, resembling, shaped like |
| -oid | looking like, resembling, shaped like |
| -genesis | a beginning process, origin of |
| -genic | produced by |
| -lysis | destruction, breakdown, separation |
| -malacia | softening |
| -megaly | enlargement |
| -meter | instrument used to measure |
| -metry | process of measuring |
| -opsy | to view |
| -penia | lack of or deficiency |
| -pexy, -pexis | surgical fixation |
| -phagia, -phagy | eating |
| -plasia | formation, development |
| -plegia | paralysis |
| -pnea | breathing |
| -poiesis, poietic | production or manufacture of |
| -ptosis | downward displacement, drooping |
| -rrhage, -rrhagia | excessive flow or discharge |
| -rrhaphy | suturing in place, fixation |
| -rrhea | flow or discharge |
| -rrhexis | rupture or breaking away |
| -sclerosis | hardening |
| -stasis | to stop, stopping |
| -tripsy | crushing |
| -trophic, -trophy | growth or development |
| -gen | agent that causes |
| -plasm | growth or formation |
| -sarcoma | malignant tumor |
| auricular region | around the ears |
| infraorbital | below the eyes |
| infrascapular | on each side of the chest, down to the last rib |
| interscapular | on the back, between the scapluae |
| kyph/o | humpback (posterior curvature of thoracic spine) |
| lamin/o | lamina (part of the vertebral arch) |
| lord/o | curve or swayback (lordosis: anterior curvature in lumbar spine) |
| lumb/o | lower back, lumbar region |
| myel/o | bone marrow |
| oste/o | bone |
| orth/o | straight |
| scoli/o | crooked, bent |
| spondyl/o | vertebra (referring to conditions of the structure) |
| vertebr/o | vertebra (referring to or describing the structure) |