Prefixes, Roots, Suffixes
Medical Word Parts A-Z
Every medical prefix, root, and suffix in TermDecode, each with its own page: meaning, language of origin, body system, and the terms built from it.
Word parts407
Prefixes (68)
Word parts at the front of a term - they set position, number, timing, or degree.
a-without, absence ofab-away fromad-toward, nearan-without, notana-up, back, again, apartante-before, in front ofanti-against, opposingbi-two, doublebrady-slowcircum-aroundco-together, withcon-together, withcontra-against, oppositede-down, from, removingdia-through, across, completedis-apart, separatedys-difficult, painful, abnormalec-out, outsideecto-outside, outeren-in, withinendo-within, innerepi-upon, above, overeu-good, normal, wellex-out, away fromexo-outside, outwardextra-outside, beyondhemi-halfhyper-excessive, above normalhypo-deficient, below normalim-not, withoutin-in, into; notinfra-below, beneathinter-betweenintra-withiniso-equal, samemacro-largemal-bad, abnormalmega-large, greatmeta-change, beyond, aftermicro-smallmono-one, singlemulti-manyneo-newnulli-noneoligo-few, scantypan-all, entirepara-beside, near, abnormalperi-around, surroundingpoly-many, muchpost-after, behindpre-before, in front ofprimi-firstpro-before, forwardpseudo-falsequadri-fourre-again, backretro-backward, behindsemi-half, partialsub-under, belowsuper-above, excessivesupra-above, oversym-together, withsyn-together, withtachy-fast, rapidtrans-across, throughtri-threeultra-beyond, excessuni-one
Roots and combining forms (253)
The core of a term - usually the body part, substance, or structure it refers to.
acous/ohearingacr/oextremity, topadenoid/oadenoidadip/ofatadrenal/oadrenal glandadren/oadrenal glandalbin/owhitealveol/oalveolus, air sacandr/omale, manangi/ovesselan/oanusaort/oaortaappendic/oappendixappend/oappendixarteri/oarteryarthr/ojointather/ofatty plaqueatri/oatriumaudi/ohearingauricul/oear, auricleaur/oearazot/onitrogen, ureabalan/oglans penisblephar/oeyelidbronchi/obronchusbronch/obronchusburs/obursa, saccalcane/ocalcaneus, heel bonecalc/ocalciumcapn/ocarbon dioxidecardi/oheartcarp/owrist, carpal bonescerebell/ocerebellumcerebr/ocerebrum, braincervic/oneck, cervixcholangi/obile ductchol/ebile, gallcholecyst/ogallbladderchondr/ocartilageclavicul/oclavicle, collarbonecochle/ocochleacol/ocoloncolon/ocoloncolp/ovaginaconjunctiv/oconjunctivacorne/ocorneacor/opupilcoron/ocrown, heartcost/oribcrani/oskull, craniumcrin/osecretecutane/oskincyan/obluecyst/obladder, cystcyt/ocelldacry/otear, tear ductdactyl/ofinger, toedent/otoothdermat/oskinderm/oskindipl/odoubleduoden/oduodenumembol/oplug, embolusencephal/obrainenter/ointestineepiderm/oepidermisepididym/oepididymiserythem/orednessesophag/oesophagusfemor/ofemur, thighfibul/ofibulagalact/omilkgangli/ogangliongastr/ostomachgingiv/ogumgli/oglue, neurogliaglomerul/oglomerulusgloss/otonguegluc/oglucose, sugarglyc/osugargravid/opregnancygynec/owoman, femalegyn/owoman, femalehemat/obloodhem/obloodhepat/oliverhidr/osweathormon/ohormonehumer/ohumerushypophys/opituitary glandhyster/outerusile/oileumili/oiliumimmun/oimmune, protectioninsulin/oinsulinintestin/ointestineirid/oirisir/oirisischi/oischiumjejun/ojejunumkal/ipotassiumkerat/okeratin, horny tissuelabyrinth/oinner ear, labyrinthlacrim/otearlact/omilklaryng/olarynx, voice boxleuk/owhitelex/oword, readingligament/oligamentlingu/otonguelip/ofat, lipidlith/ostonelumb/olower back, lumbarlymphaden/olymph nodelymphangi/olymph vessellymph/olymphmamm/obreastmandibul/omandible, lower jawmast/obreastmastoid/omastoid processmaxill/omaxilla, upper jawmelan/oblack, melaninmening/omeningesmen/omenstruationment/ochinmetr/outerusmuscul/omusclemyel/ospinal cord, bone marrowmy/omusclemyos/omusclemyring/otympanic membrane (eardrum)narc/osleep, stupornas/onosenat/obirthnatr/osodiumnephr/okidneyneur/onervenoct/inightocul/oeyeodont/otootholig/ofew, scantyonych/onailoophor/oovaryophthalm/oeyeopt/ovision, eyeorchid/otestisorchi/otestisorch/otestisor/omouthorth/ostraight, correctoste/oboneot/oearovari/oovaryov/oeggox/ooxygenpalpebr/oeyelidpancreat/opancreaspara-beside, near, abnormalparathyroid/oparathyroidpart/olabor, birthpatell/opatella, kneecappector/ochestped/ofootpelv/opelvisperitone/operitoneumphac/olensphag/oeat, swallowphak/olensphalang/ophalanges, fingers/toespharyng/opharynx, throatphleb/oveinpil/ohairpineal/opineal glandpituitar/opituitary glandpleur/opleura, sidepneum/olung, airpneumon/olungpod/ofootproct/orectum, anusprostat/oprostatepsych/omindpub/opubispulmon/olungpupill/opupilpyel/orenal pelvisradicul/onerve rootradi/oradius; ray, radiationrect/orectumren/okidneyretin/oretinarhin/onosesacr/osacrumsalping/ofallopian tubesanguin/obloodscapul/oscapula, shoulder bladescler/osclera, hardseb/osebum, oilsemin/osemen, seedsept/oseptum, partitionsial/osaliva, salivary glandsigmoid/osigmoid colonsinus/osinus, cavitysomn/osleepspermat/ospermsperm/ospermsphygm/opulsespin/ospinespir/obreathe, breathingsplen/ospleenspondyl/overtebrastaped/ostapesstern/osternum, breastbonesteth/ocheststomat/omouthsudor/osweatsynov/osynovial membranetars/oankle, tarsal bonestendin/otendonten/otendontenspressure, stretchtest/otestisthalam/othalamusthorac/ochest, thoraxthromb/oclot, thrombusthym/othymusthyr/othyroidthyroid/othyroidtibi/otibia, shintonsill/otonsiltrache/otrachea, windpipetrich/ohairtrophnourishment, developmenttympan/oeardrumuln/oulnaungu/onailureter/oureterurethr/ourethraurin/ourineur/ourine, urinary tractuter/outerusvagin/ovaginavag/ovagus nervevalvul/ovalvevascul/oblood vesselvas/ovessel, ductven/oveinventricul/oventriclevertebr/overtebravesic/obladdervestibul/ovestibulevitre/ovitreous humor, glassyvulv/ovulvaxanth/oyellow
Suffixes (87)
Word parts at the end of a term - they name the condition, procedure, or specialty.
-alpertaining to-algiapain-arpertaining to-arypertaining to-blastimmature cell-celehernia, protrusion-centesissurgical puncture-clasisbreaking-clastcell that breaks down-cytecell-desissurgical fusion-dyniapain-ealpertaining to-ectasisdilation, expansion-ectomysurgical removal-edemaswelling-emiablood condition-esthesiasensation, feeling-formshape, form-genproducing-genesisproduction, formation-genicproducing-gramrecord, image-graphrecording instrument-graphyprocess of recording-iasiscondition, pathological state-iatrymedical treatment-icpertaining to-icalpertaining to-icianspecialist-ismcondition, state-istspecialist-itisinflammation-kinesiamovement-ligationtying, binding-logystudy of-lysisbreakdown, destruction-lyticdestroying-malaciasoftening-megalyenlargement-metermeasuring instrument-metrymeasurement-necrosistissue death-oidresembling-ologistspecialist-ologystudy of-omatumor, mass-opiavision condition-opsyviewing-osisabnormal condition-ostomycreating an opening-otomysurgical incision-ouspertaining to-paresispartial paralysis, weakness-pathydisease, suffering-peniadeficiency-pepsiadigestion-pexysurgical fixation-phagiaeating, swallowing-phasiaspeech-philiaattraction to, affinity for, tendency toward, or abnormal increase in-phobiafear-plasiaformation, growth-plastysurgical repair-plegiaparalysis-pneabreathing-poiesisproduction, formation-ptosisdrooping, falling-rrhagebursting forth-rrhagiaexcessive bleeding-rrhaphysuturing-rrheaflow, discharge-rrhexisrupture-sclerosishardening-scopeinstrument for viewing-scopyvisual examination-spasminvoluntary contraction-stasisstopping, controlling-stenosisnarrowing-stomycreating an opening-therapytreatment-ticpertaining to-tocialabor, birth-tomyincision, cutting-tripsycrushing-trophydevelopment, nourishment-uriaurine condition