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Medical Words
Roots, Prefixes, and Suffixes
| Question | Answer |
|---|---|
| pre- | before |
| post- | after |
| uni- | one |
| bi- | two |
| tri- | three |
| sub- | under |
| trans- | across |
| hypo- | low |
| a- | without |
| an- | not |
| peri- | around |
| brady- | slow |
| dys- | bad, abnormal |
| endo- | in |
| dermat | skin |
| cardi/o | heart |
| dent/o | teeth |
| pulmun/o | lungs |
| enter/o | intestines, colon |
| hepat | liver |
| splen | splene |
| chondr | cartilage |
| arthr/o | joints |
| rhin/o | nose |
| lapar | abdomin |
| my/o | muscle |
| laryng | larynx/voice box |
| hemat | blood |
| crani/o | skull |
| nephr/o | kidney |
| arteri/o | artery |
| neur/o | nerve |
| angi/o | vessel (blood) |
| hyster | uterus/womb |
| ren/o | kidney |
| later/o | side |
| leuk/o | white |
| thorac/o | chest |
| -itis | inflamation |
| -ologist | doctor |
| -ectomy | surgical removal of |
| -osis | abnormal condition of |
| -algia | pain |
| -plasty | repair, restructure |
| -megaly | enlargement |
| -um | sturcture, tissue, thing |
| -pnea | breathing |
| -ology | study of |
| -malacia | softening |
| -scope | instrument for visual examination |
| -tomy | process of cutting |
| -uria | urination, condition of urine |
| -ic | pertaining to |
| -pathy | disease, emotion |
| -cyte | cell |
| -al | pertaining to |
| -oma | tumor, fluid collection, mass |
| -stenosis | tightening, stricture |
| -(e)sis | action, condition, state of |
| -ia | condition |
| -centesis | surgical puncture toremove fluid |
| xanth/o | yellow |
| melan/o | black |
| poli/o | grey |
| erythr/o | red |
| cyan/o | blue |
| leuk/o | white |
| -necrosis | dead tissue |
| -sclerosis | hardening of tissue |
| -stenosis | tightening, stricture |
| -scopy | looking at |
| -graphy | process of recording |
| -gram | record of recording |
| -rrhage | excessive amounts of fluid |
| -rraphy | to fix, stich, sew, repair |
| -rrhexis | rupture |
| -rrhea | flow, discharge |
| -dynia | pain |
| -ostomy | surgical procedure |
| supra- | above |
| ab- | away |
| ad- | toward |
| inter- | within |
| intra- | among, between |
| ather/o | plaque |
| cephal/o | upwards |
| caud/o | lower (tail) |
| coron/o | head |
| dist/o | away |
| anter/o | front |
| midsagitt/o | middle |
| poster/o | back |
| proxim/o | near |
| medi/o | middle |
| ventr/o | side of the body |
| dors/o | middle of back |
| infer/o | below |
| ankyl/o | stiff |
| chondr/o | cartilage |
| cost/o | rib |
| crani/o | skull |
| -desis | to bind; tie together |
| kyph/o | humpback |
| lord/o | curve; swayback |
| lysis- | breakdown; separation; destruction; loosening |
| myel/o | spinal cord; bone marrow |
| oss/e, oss/I, ost/o, osteo | bone |
| -poietic | formation |
| scoli/o | crooked; bent |
| spondyl/o | vertebra (backbone) |
| -um | structure; tissue; thing |
| ligament/o | ligament |
| synovi/o | synovia; synovial membrane; sheath around a tendon |
| burs/o | bursa (sack of fluid near joints) |
| oblique | diagonal |
| -lysis | breakdown; destruction; separation; loosening |
| kinesi/o | movement |
| ton/o | tension |
| sphincter | |
| -trophy | nourishment; development (condition of) |
| quadr/I | four; square |
| -ia | condition |
| ten/o, tend/o, tendin/o | tendon |
| electr/o | electricity |
| ankyl/o | stiff |
| fasci/o | faschia (membrane supporting muscles) |
| -plegia | paralysis; palsy |
| rectus | |
| transverse | across |
| -cele | hernia |
| fibr/o | fiber |
| -desis | to bind; tie together |
| tax/o | order; coordination |
| phleb/o | vein |
| aort/o | aorta (largest artery) |
| ven/o | vein |
| thromb/o | clot |
| hem/o, hemat/o | blood |
| -emia | blood condition |
| tachy- | fast |
| aneurysm/o | aneurysm (widening of blood vessel) |
| valv/o | valve |
| capill/o | capillary |
| angi/o | blood vessel |
| plasm/a, plasm/o | plasma |
| Hypertenstion | High blood pressure |
| Stroke | A harmful discharge of lightning, particularly one that affects a human being. |
| Arteriosclerosis | Plaque build up in the arteries |
| Coronary Artery Disease | Plaque build up in the coronary arteries. |
| Heart Attack (MI) | When the flow of blood is blocked and the tissue begins to die. |
| Congestive Heart failiure | When the heart can't pump enough blood to the rest of the body |
| Anemia | A lack of hemoglobin |
| Hemophilia | A condition in which the blood doesn't clot normally. |
| Leukemia | Cancer of the white blood cells. |
| -ema | condition |
| -ectasis | direction; widening |
| -osmia | smell |
| -ptysis | spitting |
| -sphyxia | pulse |
| -spasm | sudden contraction of muscles |
| adenoid/o | adenoids |
| alveoli/o | alveolus; air sac |
| bronchi/o | bronchial tube |
| bronchiol/o | bronchiole |
| capn/o | carbon dioxide |
| coni/o | dust |
| epiglott/o | epiglottis |
| lob/o | lobe |
| mediastin/o | mediastinum |
| nas/o | nose |
| orth/o | straight |
| ox/o | oxygen |
| pector/o | chest |
| pharyng/o | throat (pharynx) |
| phon/o | voice; sound |
| phren/o | diaphragm; mind |
| pleur/o | pleura |
| pneumon/o | lung; air; gas |
| sinus/o | sinus |
| spir/o | to breathe |
| tel/o | complete |
| -thorax | chest; plural cavity |
| tonsil/o | tonsil |
| trache/o | trachea (windpipe) |
| encephal/o | brain |
| myel/o | spine |
| neur/i | neuron |
| neur/o | nerve |
| ambul/o | walk |
| cephal/o | head |
| concuss/o | concussion |
| contus/o | to bruise |
| ech/o | sound |
| -esthesia | nervous sensation |
| Klept/o | to steal |
| Mening/o | meninges |
| Narc/o | numbness; stupor; sleep |
| -phobia | fear |
| Psych/o | mind |
| Somn/o | sleep |
| Acrophobia | fear of hights |
| Amnesia | a partial or total loss of memory |
| Analgesic | acting to relieve pain |
| Anesthesia | the administration of gases or the injection of drugs before surgical operations. |
| claustrophobia | fear of being in enclosed spaces |
| comatose | extremely exhausted, lethargic, or sleepy. |
| concussion | temporary unconsciousness caused by a blow to the head |
| dementia | serious loss of cognitive ability due to age or brain injury |
| dyslexia | a disorder that involves a difficulty in reading or interpreting words. |
| empathy | the ability to understand and share feelings |
| encephalitis | inflammation of the brain |
| meningitis | inflammation of the meninges |
| neurologist | a nerve doctor |
| PTSD | Post Traumatic Stress Disorder |
| psychiatrist | a doctor that specializes in treating mental illnesses |
| seizure | a sudden disruption of the brain's activity and altering the state of consciousness |