Medical Terminology terms
343 glossary entries from the Medical Terminology topic of the CCMA test plan. Try free Medical Terminology practice questions.
- -acPertaining to.
- -algiaPain.
- -blastImmature or forming (germ) cell.
- -celeHernia, swelling, or bulging.
- -centesisSurgical puncture to remove fluid.
- -cideKilling or an agent that kills.
- -cusisHearing.
- -cyteCell.
- -desisSurgical fusion or binding.
- -dyniaPain.
- -eal, -ialPertaining to.
- -ectasisDilation or stretching.
- -ectomySurgical removal.
- -edemaSwelling caused by fluid buildup in tissue.
- -emesisVomiting.
- -emiaBlood condition.
- -esis, -sisState, condition, or process.
- -gen, -genicProducing, causing, or origin.
- -gramA record or picture produced by a test.
- -graph, -graphyProcess of recording or making an image; -graph can also name the recording instrument.
- -iaCondition.
- -iasisCondition or formation of, often abnormal.
- -iatry, -iatristMedical treatment (-iatry) or the specialist who provides it (-iatrist).
- -ismCondition or state.
- -itisInflammation.
- -iumStructure or tissue.
- -logistSpecialist in the study and treatment of a body part or disease.
- -logyStudy of.
- -lysisBreaking down, destruction, or dissolving.
- -malaciaSoftening.
- -maniaAbnormal, intense impulse or excitement.
- -megalyEnlargement.
- -meterInstrument for measuring.
- -metryProcess of measuring.
- -oidResembling or like.
- -ole, -uleSmall.
- -omaTumor or mass.
- -opiaVision condition.
- -opsyViewing or examination.
- -osisAbnormal condition or increase.
- -ostomy, -stomySurgical creation of an opening.
- -otomy, -tomyCutting into; incision.
- -ousPertaining to or having the quality of.
- -paresisPartial paralysis or weakness.
- -pathyDisease.
- -peniaDeficiency or too few.
- -pexySurgical fixation.
- -phagiaEating or swallowing.
- -phasiaSpeech.
- -phobiaFear.
- -plasiaFormation or growth.
- -plasmFormation or growth; formed material.
- -plastySurgical repair or reconstruction.
- -plegiaParalysis.
- -pneaBreathing.
- -poiesisProduction or formation.
- -praxiaAction or purposeful movement.
- -ptosisDrooping or sagging.
- -ptysisSpitting or coughing up.
- -rrhage, -rrhagiaBleeding, usually heavy.
- -rrhaphySurgical suturing.
- -rrheaFlow or discharge.
- -sclerosisHardening.
- -scopeInstrument used to examine.
- -scopyVisual examination with a scope.
- -spasmSudden involuntary muscle contraction.
- -stasisStopping or controlling; standing still.
- -stenosisNarrowing.
- -taxiaOrder or coordination of movement.
- -thoraxChest or chest cavity.
- -tripsyCrushing.
- -trophyGrowth or development.
- -uriaUrine or urination condition.
- a-, an-Without, not, or lacking.
- ab-Away from.
- abdomin/oAbdomen, the trunk region between the diaphragm and the pelvis.
- AD, AS, AURight ear, left ear, each ear. Error-prone: confused with OD, OS, OU (eyes). Write right ear, left ear or each ear.
- ad-Toward or near.
- aden/oGland.
- adip/oFat.
- ambi-Both or both sides.
- anatomical positionThe standard reference posture: standing upright, facing forward, arms at the sides, palms forward. All directional…
- angi/oBlood vessel.
- ante-Before or in front of.
- anteriorToward the front of the body; also called ventral.
- anti-Against or opposing.
- aort/oAorta, the largest artery.
- APAPAcetaminophen. ISMP: error-prone because it is not always recognized; write acetaminophen.
- append/o, appendic/oAppendix.
- arteri/oArtery.
- arthr/oJoint.
- ather/oFatty plaque or deposit.
- audi/oHearing or sound.
- auto-Self.
- bi-Two or twice.
- bio-Life or living tissue.
- brachi/oArm.
- brady-Slow.
- bronch/oBronchus, a large airway leading from the trachea into a lung.
- bucc/oCheek.
- carcin/oCancer.
- cardi/oHeart.
- carp/oWrist (carpal bones).
- cata-Down or breaking down.
- ccCubic centimeter. Error-prone: misread as u (units); write mL. In charting, capital CC means chief complaint.
- cephal/oHead.
- cerebr/oCerebrum; brain.
- cervic/oNeck, or the cervix of the uterus.
- chol/eBile or gall.
- cholecyst/oGallbladder.
- chondr/oCartilage.
- chrom/oColor.
- circum-Around.
- col/o, colon/oColon (large intestine).
- con-With or together.
- contra-Against or opposite.
- contralateralOn the opposite side of the body.
- cost/oRib.
- crani/oSkull.
- cry/oCold.
- cutane/oSkin.
- cyan/oBlue.
- cyst/oUrinary bladder, or a sac containing fluid.
- cyt/oCell.
- D/CCan mean discharge or discontinue. Error-prone: medications have been stopped too early. Write discharge or discontinue.
- dactyl/oFinger or toe.
- de-Away from, removal, or loss of.
- deepFarther from the surface of the body.
- dent/i, odont/oTooth.
- derm/o, dermat/oSkin.
- dextro-Right or right side.
- dia-Through, across, or apart.
- diaphoresisHeavy sweating.
- diplo-Double or twofold.
- dis-Apart, separation, or reversal.
- distalFarther from the point where a limb attaches to the trunk.
- duoden/oDuodenum, the first part of the small intestine.
- dys-Difficult, painful, or abnormal.
- dysphoniaHoarseness or difficulty producing the voice.
- dyspneaDifficult or labored breathing; shortness of breath.
- dysuriaPainful or uncomfortable urination.
- ecchymosisA bruise: bleeding under the skin that causes discoloration.
- ecto-, exo-Outside or outer.
- ef-Out of or away from.
- electr/oElectricity or electrical activity.
- emesisVomiting: forceful expulsion of stomach contents through the mouth.
- en-In or inside.
- encephal/oBrain.
- endo-Within or inner.
- enter/oIntestine, usually the small intestine.
- epi-Upon, over, or on top of.
- epistaxisNosebleed; bleeding from the nose.
- erythemaRedness of the skin caused by increased blood flow.
- erythr/oRed.
- esophag/oEsophagus, the tube from the throat to the stomach.
- eu-Good, normal, or well.
- ex-Out of, away from, or beyond.
- extra-Outside of or beyond.
- frontal planeA vertical plane that divides the body into front (anterior) and back (posterior) parts; also called the coronal plane.
- gastr/oStomach.
- gingiv/oGums.
- gloss/o, lingu/oTongue.
- gluc/o, glyc/oGlucose or sugar.
- gyn/o, gynec/oWoman or female.
- HCTZHydrochlorothiazide, a diuretic. ISMP: do not abbreviate; HCTZ can be misread as hydrocortisone. Write the full name.
- hem/o, hemat/oBlood.
- hematuriaBlood in the urine.
- hemi-Half or one side.
- hemoptysisCoughing up blood.
- hepat/oLiver.
- hetero-Other or different.
- hidr/oSweat.
- hist/oTissue.
- homeo-Similar, same, or unchanging.
- homo-Same or alike.
- hs, HSLowercase hs means at bedtime; HS has meant half-strength, and each is misread as the other. ISMP: write HS or bedtime…
- hydr/oWater or fluid.
- hyper-Above normal, excessive, or beyond.
- hypo-Below normal, under, or deficient.
- hyster/o, uter/oUterus (womb).
- idio-One's own, individual, or unknown in origin.
- ile/oIleum, the last part of the small intestine.
- INIntranasal. Error-prone: misread as IM or IV. Write NAS or intranasal.
- in-, im-Not; in some words, in or into.
- inferiorBelow or lower than another part; also called caudal.
- infra-Below or beneath.
- inter-Between.
- intra-Within or inside.
- ipsilateralOn the same side of the body.
- irid/oIris, the colored part of the eye.
- iso-Equal or the same.
- IUInternational unit. On the Joint Commission Do Not Use list: misread as IV or the number 10. TJC says write…
- jaundiceYellowing of the skin and whites of the eyes from excess bilirubin in the blood.
- juxta-Near or next to.
- kerat/oCornea; also horny tissue of the skin.
- kinesi/oMovement.
- kyph/oHump.
- lacrim/oTears or the tear glands.
- lact/oMilk.
- laryng/oLarynx (voice box).
- lateralToward the side of the body, away from the midline.
- leading zeroA zero written before a decimal point, as in 0.5 mg. Always use it; a dose written .5 mg can be misread as 5 mg.
- leuk/oWhite.
- lip/oFat or lipid.
- lith/oStone or calculus.
- lord/oCurve or swayback.
- lymph/oLymph, the fluid of the lymphatic system.
- macro-Large.
- mal-Bad, poor, or abnormal.
- mamm/o, mast/oBreast.
- medialToward the midline of the body.
- mega-, megalo-Large or great.
- melan/oBlack or dark.
- mening/oMeninges, the membranes covering the brain and spinal cord.
- meso-Middle.
- meta-Change, after, or beyond.
- MgSO4Magnesium sulfate. On the Do Not Use list: confused with morphine sulfate. Write magnesium sulfate.
- micro-Small.
- mono-One or single.
- morph/oShape or form.
- MSMultiple sclerosis. As a drug abbreviation for morphine sulfate it is on the Do Not Use list; write the drug name.
- MSO4Morphine sulfate. On the Do Not Use list: confused with magnesium sulfate. Write morphine sulfate.
- multi-Many.
- my/o, muscul/oMuscle.
- myc/oFungus.
- myel/oBone marrow or spinal cord.
- nas/o, rhin/oNose.
- nauseaAn uneasy feeling in the stomach, often with an urge to vomit.
- necr/oDeath (of cells or tissue).
- neo-New.
- nephr/o, ren/oKidney.
- neur/oNerve or nervous system.
- noct/iNight.
- non-Not or without.
- normo-Normal.
- nulli-None.
- ocul/o, ophthalm/oEye.
- OD, OS, OURight eye, left eye, each eye. Error-prone: confused with AD, AS, AU (ears), and OD with once daily. Write the words…
- OJOrange juice. Error-prone: misread as OD or OS. Write orange juice.
- oligo-Few, scanty, or too little.
- onc/oTumor; cancer.
- onych/oNail of a finger or toe.
- oophor/o, ovari/oOvary.
- orchi/o, orchid/oTestis (testicle).
- ortho-Straight, upright, normal, or correct.
- orthopneaDifficulty breathing when lying flat, eased by sitting upright.
- oste/oBone.
- ot/oEar.
- otalgiaEar pain (earache).
- oxy-Oxygen; also sharp or quick.
- pan-All or everywhere.
- para-Beside, near, or abnormal.
- path/oDisease.
- ped/oChild; in some words, foot.
- per osBy mouth. Error-prone: os can be read as left eye. Write PO, by mouth or orally.
- per-Through.
- peri-Around or surrounding.
- petechiaeTiny, round, pinpoint spots on the skin caused by bleeding under the skin.
- pharmac/oDrug or medicine.
- pharyng/oPharynx (throat).
- phleb/o, ven/oVein.
- phon/oSound or voice.
- phot/oLight.
- phren/oDiaphragm.
- pleur/oPleura, the membrane around the lungs and lining the chest cavity.
- pneum/o, pneumon/oLung or air.
- pod/oFoot.
- poly-Many, much, or excessive.
- post-After or behind.
- posteriorToward the back of the body; also called dorsal.
- pre-Before or in front of.
- prefixA word part placed at the beginning of a medical term that changes its meaning, often describing size, number…
- primi-First.
- pro-Before or forward; also favoring.
- proct/oAnus and rectum.
- prostat/oProstate gland.
- proximalCloser to the point where a limb attaches to the trunk.
- pruritusItching.
- pseudo-False.
- psych/oMind.
- pulmon/oLung.
- py/oPus.
- pyel/oRenal pelvis, the funnel-shaped part of the kidney that collects urine.
- pyr/oFever or fire.
- pyrosisHeartburn: a burning feeling behind the breastbone, often from stomach acid.
- q1dDaily. Error-prone: misread as QID (four times daily). Write daily.
- QD, q.d.Daily. On the Do Not Use list: misread as QID or QOD. Write daily.
- QOD, q.o.d.Every other day. On the Do Not Use list: misread as daily or four times daily. Write every other day.
- quadri-Four.
- re-Again or back.
- rect/oRectum.
- retin/oRetina, the light-sensing layer at the back of the eye.
- retro-Backward or behind.
- sagittal planeA vertical plane that divides the body into right and left parts.
- salping/oTube, especially the fallopian (uterine) tube or the eustachian tube.
- sarc/oFlesh or connective tissue.
- SC, SQOld abbreviations for subcutaneous. Error-prone: SC read as SL (sublingual), SQ as 5 every. Write SUBQ or subcutaneous.
- scler/oHard; also the sclera (white of the eye).
- scoli/oCrooked or twisted.
- semi-Half or partly.
- sial/oSaliva or salivary gland.
- sinistro-Left or left side.
- spir/oBreathing.
- splen/oSpleen.
- spondyl/o, vertebr/oVertebra (bone of the spine).
- stern/oSternum (breastbone).
- stomat/oMouth.
- sub-Under or below.
- suffixA word part placed at the end of a medical term, often naming a procedure, condition or disease.
- super-Above, over, or excessive.
- superficialCloser to the surface of the body.
- superiorAbove or higher than another part; also called cranial.
- supra-Above or over.
- syn-, sym-Together or joined.
- syncopeFainting: a brief loss of consciousness caused by a drop in blood flow to the brain.
- tachy-Fast or rapid.
- tend/o, tendin/oTendon.
- tetra-Four.
- therm/oHeat or temperature.
- thorac/oChest.
- thromb/oBlood clot.
- thyr/o, thyroid/oThyroid gland.
- tinnitusRinging, buzzing or hissing sounds in the ears.
- TIWThree times a week. Error-prone: misread as three times a day or twice a week. Write 3 times weekly.
- trache/oTrachea (windpipe).
- trailing zeroA zero after a decimal point in a dose, as in 5.0 mg. On the Do Not Use list: it can be read as 50 mg. Write 5 mg.
- trans-Across or through.
- transverse planeA horizontal plane that divides the body into upper (superior) and lower (inferior) parts.
- tri-Three.
- tympan/o, myring/oEardrum (tympanic membrane).
- U, uUnit. On the Joint Commission Do Not Use list: can be misread as 0 or 4, causing a tenfold overdose. Write unit.
- UDAs directed (ut dictum). Error-prone: misread as unit dose. Write as directed.
- uni-One.
- ur/o, urin/oUrine or the urinary tract.
- ureter/oUreter, the tube that carries urine from a kidney to the bladder.
- urethr/oUrethra, the tube that carries urine from the bladder out of the body.
- urticariaHives: raised, itchy, red or skin-colored welts.
- vagin/oVagina.
- vas/o, vascul/oVessel, usually a blood vessel.
- vertigoA spinning type of dizziness; the person feels they or the room are moving.
- word rootThe core of a medical term, usually naming a body part.
- xanth/oYellow.
- µgMicrogram symbol. Error-prone: misread as mg. Write mcg.