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Medical Term Major
| Term | Definition |
|---|---|
| abdomin/o | abdomen |
| achill/o | Achilles’ heel |
| acid/o | acid (pH) |
| acoust/o | hearing |
| acr/o | extremity |
| blephar/o | eyelid |
| balan/o | glans |
| cardi/o | heart |
| cerumin/o | wax |
| chondr/o | cartilage |
| coccidioid/o | fungus |
| dacry/o | tear |
| derm/o | skin |
| dont/o | tooth |
| diverticul/o | diverticula |
| encephal/o | brain |
| esthesi/o | feeling |
| fluor/o | fluorescence |
| foramin/o | foramen, opening |
| fasei/o | hand |
| gastr/o | stomach |
| geront/o | aged |
| gloss/o | tongue |
| gravid/o | pregnant |
| hemat/o | blood |
| hyster/o | womb, uterus |
| herni/o | hernia |
| hist/o | tissue |
| ischi/o | hip |
| insul/o | pancreatic islets |
| immun/o | safe, protect |
| jejun/o | jejunum |
| kel/o | tumor |
| kary/o | nucleu (cell) |
| kerat/o | cornea |
| lacrim/o | tear |
| laryng/o | larynx |
| letharg/o | drowsiness |
| lord/o | bending, curvature |
| metr/o | uterus |
| men/o | month, (menstruate) |
| myel/o | spinal cord |
| neur/o | nerve |
| nyctal/o | blind, night |
| necr/o | death |
| oste/o | bone |
| onc/o | tumor |
| ocul/o | eye |
| phag/u | eat, engulf |
| ptyal/o | salvia |
| pulm/o | lung |
| radiat/o | radiant |
| rhytid/o | wrinkle |
| retin/o | retina |
| sid/o | iron |
| sarc/o | flesh |
| sanguin/o | blood |
| thalass/o | sea |
| toc/o | birth |
| torti/o | twisted |
| ul/o | scar |
| uter/o | uterus |
| vector/o | carrier |
| vertig/o | dizziness |
| viscer/o | body organs |
| xen/o | alien, foreign |
| xiph/o | sword |
| zo/o | animal |
| zyg/o | joined |
| zon/o | encircling area |
| ab- | away from; from |
| ante- | before |
| anti- | against, opposing |
| brady- | slow |
| de- | from, down, away from |
| dys- | painful, abnormal, difficult, labored |
| endo- | within, in |
| epi- | on, upon, over |
| eu- | normal, good |
| hemi- | half |
| hyper- | above, excessive |
| inter- | between |
| intra- | within, in |
| macro- | large, long |
| meta- | after, beyond, change |
| micro- | small |
| neo- | new |
| nulli- | none |
| pachy- | thick, thickening, thickened |
| pan- | all total |
| per- | through |
| poly- | many, much |
| post- | after |
| tri- | three |
| uni- | one |
| supra- | above |
| ad- | toward, at, increase, on, toward |
| a-, an | no, not, without, negates the meaning |
| bi-, bin- | two, twice, double |
| dia- | through, complete |
| multi- | many |
| para- | beside, beyond, around, abnormal |
| peri- | through |
| pre- | before |
| pro- | before |
| sub- | below, under |
| sym-, syn- | together, joined |
| tachy- | fast, rapid |
| trans- | through, across,beyond |
| -a | noun ending, no meaning |
| -ac | pertaining to |
| -ad | toward |
| -algia | pain |
| -amnios | amnion, amniotic fluid |
| -apheresis | removal |
| -ar | pertaining to |
| -ary | pertaining to |
| -asthenia | weakness |
| -carcinoma | cancerous tumor |
| -cele | hernia, protrusion, swelling |
| -centesis | surgical, puncture to aspirate fluid |
| -crine | to secrete |
| -cyesis | pregnancy |
| -cyte | cell |
| -desis | surgical fixation, fusion |
| -drome | run, running |
| -e | noun, ending, no meaning |
| -eal | pertaining to |
| -ectasis | stretching out, dilation, expansion |
| -ectomy | excision, surgical removal, cut out |
| -emesis | vomiting |
| -emia | in the blood |
| -esis | condition |
| -gen | substance or agent that produces or causes |
| -genic | producing, originating, causing |
| -gram | the record, radiographic imaging |
| -graph | instrument used to record; the record |
| -graphy | process of recording, radiographic imaging |
| -ia | condition of, diseased state, abnormal state |
| -iasis | condition |
| -iatrist | specialist |
| -iatry | specialty, treatment |
| -ic | pretraining to |
| -ictal | seizure, attack |
| -ior | pertaining to |
| -ism | state of |
| -itis | inflammation |
| -logist | specialist who studies and treats |
| -logy | study of |
| -lysis | separating, loosening, dissolution |
| -malacia | softening |
| -megaly | enlarged, enlargment |
| -meter | instrument used to measure |
| -metry | measuring, process of measuring |
| -oid | resembling |
| -oma | tumor, swelling |
| -opia | vision |
| -opsy | viewing, process of viewing |
| -osis | abnormal condition, increased number (blood) |
| -ous | pertaining to |
| -paresis | slight paralysis |
| -pathy | disease |
| -penia | abnormal reduction in number |
| -pepsia | digestion |
| -pexy | surgical fixation, suspension |
| -phagia | swallowing, eating |
| -phobia | aversion, abnormal fear |
| -physis | growth |
| -plasia | formation, development, growth |
| -plasm | growth, substance, formation |
| -plasty | surgical repair |
| -plegia | paralysis |
| -pnea | breathing |
| -poiesis | formation |
| -ptosis | prolapse, drooping |
| -rrhage | excessive bleeding |
| -rrhagia | condition of excessive bleeding |
| -rrphaphy | repairing, suturing |
| -rrhea | discharge, flow |
| -rrhexis | rupture |
| -salpinx | fallopian tube, uterine tube |
| -sarcoma | malignant tumor |
| -schisis | split, fissure |
| -sclerosis | hardening |
| -scope | instrument used for visual examination |
| -scopic | pertaining to visual examination |
| -scopy | process of visual examining |
| -spasm | sudden involuntary contraction of muscle |
| -stasis | stop, control, standing |
| -stenosis | constriction, narrowing |
| -stomy | creation of artificial opening |
| -thorax | chest cavity, chest |
| -tocia | labor, birth |
| -tome | instrument used to cut |
| -tomy | incision, cut into |
| -tripsy | surgical crushing |
| -trophy | nourishment, development |
| -um | no meaning |
| -uria | urine, urination |
| -us | no meaning |