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Root words
Root words/element
| Term | Definition |
|---|---|
| abdomin/o | abdomen |
| acanth/o | thorny/spiny |
| acetabul/o | acetabulum(hip socket) |
| acr/o | extremities,top |
| actin/o | ray,radius |
| acous/o | sound |
| aden/o | gland |
| adren/o | adrenals |
| aer/o | air/gas |
| algesi/o | pain |
| alveo/o | cavity |
| ambly/o | dull,dim |
| amni/o | amnion |
| amyl/o | starcho |
| angi/o | vessel (blood,lympathic) |
| ankyl/ | crooked,stiff,bent |
| an/o | anus |
| antr/o | antrum |
| aort/o | aorta |
| appendic/o | appendix |
| arche/o | first,beginning |
| arteri/o | arteries |
| arteriol/o | arteriole (small artery) |
| articul/o | Joint;distinct speech |
| arthro/o | joint |
| ather/o | yellowish,fatty plaque |
| atrio/o | atrium |
| aur/i,aur/o | ear |
| axill/o | axilla or armpit |
| bacteri/o | bacteria |
| bil/i | bile |
| bleph/o blephar/o | eyelid or eyelash |
| brachi/o | arm,particularly upper arm |
| bucc/o | cheek |
| cephal/o | head |
| cerebell/o | cerebellum/brain |
| cerebr/o | cerebrum |
| cerbrumcervic/o | neck;cervix neck of uterus |
| cheil/o | lip |
| cerumin/o | cerumen(earwax) |
| cine/o | movement |
| chir/o, cheir/o | hand |
| chol/e | bile,gall |
| choledoch/o | common bile duct |
| chondr/o | cartilage |
| clavicul/o | clavicle (collar bone) |
| col/o | colon (large intestine) |
| coll/a | glue |
| colp/o | vagina,hollow |
| conjunctiv/o | conjunctiva |
| cor/o,coron/o | heart |
| core/o | pupil (eye) |
| corne/o | cornea of eye |
| cortic/o | cortex |
| cost/o | rib |
| crani/o | skull |
| cry/o | cold |
| culd/o | cul-de-sac,pouch |
| cutane/o | skin |
| cyan/o | blue |
| cyes/o,cyes/i | pregnancy |
| cyst/o | cell |
| dacry/o | pertaining to tears |
| dactylo/o | fingers or toes |
| dent/i | tooth |
| derm/o,dermat/o | skin |
| dextr/o | right |
| diaphor/o | sweat |
| digit/i, digit/o | finger,toe |
| dipl/o | two,double |
| dips/o | thirst |
| diverticul/o | diverticulum |
| dors/i | back (of the body) |
| duct/o | tube channel |
| dur/o | dura (hard) |
| dynam/o | power or strength |
| ech/o | sound |
| ectop/o | displacement or malposition |
| electo/o | electricity, electrical activity |
| hypn/o | sleep |
| hyster/o | uterus |
| ile/o, ili/o | ileum |
| immun/o | immune |
| iri/o,irid/o | iris |
| isch/o | deficiency,suppression |
| is/o | equal,same |
| jejun/o | jejunum,portion of upper small intestine |
| kerat/o | cornea of eye |
| kin/e | movement |
| kyph/o | hump |
| labi/o | lip |
| embry/o | embryo |
| encephal/o | brain |
| enter/o | intestines (usually small intestines) |
| episi/o | vulva |
| erythr/o | red |
| esthesi/o | sensation, feeling |
| femor/o | femur |
| fet/o,fet/i | fetus,unborn child |
| gangl/o | knot-like mass, nerves |
| gastr/o | stomach |
| geront/o | old age, aged |
| gluc/o | sugar, sweetness |
| gnath/o | jaw |
| gnos/o | knowledge |
| gon/o | knee |
| gloss/o | tongue |
| glyc/o | sugar,sweet |
| gravid/o | heavy, as in pregnancy |
| gynec/o | female, woman |
| hem/o | blood |
| hepat/o | liver |
| herni/o | hernia |
| heter/o | other;different from; opposite |
| hidr/o | sweat or sweat glands |
| hist/o | tissue |
| home/o | sameness,unchanging |
| hydr/o | water |
| lacrim/o | tear;tear duct,lacrimal duct |
| lact/o | milk |
| lamin/o | lamina,thin flat plate or layer |
| lapar/o | loin or flank |
| later/o | side |
| laryng/o | larynx;voice box |
| later/o | side |
| leiomy/a | smooth visceral muscle |
| leuk/o | white |
| lingu/o | tongue |
| lip/o | fat |
| lith/o | stone,calculus |
| lob/o | section,lobe |
| lymph/o | watery fluid,lymphatic structures fluids |
| macr/o | abnormal largeness |
| mann/o | breast |
| mast/o | breast |
| maxill/o | upper jawbone |
| melan/o | black |
| men/o | menstrustions |
| mening/i,mening/o | membranes,meninges |
| menisci/o | meniscus (crescent) |
| micr/o | small |
| mon/o | one |
| morph/o | form,shape |
| my/o | muscle |
| myc/o | fungus |
| myel/o,myelon/o | marrow;spinal cord,bone marrow |
| hymen/o | memebrane;hymen |
| narc/o | stupor |
| necr/o | death,dead |
| nephr/o | kidney |
| nyct/o | night |
| neur/0 | nerve |
| ocul/o | eye |
| omphal/p | umbilicus,navel |
| onc/o | bulk,mass |
| onych/o | nail,claw |
| oophor/o | ovary |
| ophthalm/o | eye |
| opt/o | vision |
| or/o | as mouth,opening |
| orchi/o | testis |
| orth/o | straight,correct,normal |
| oste/o | bone,ost |
| ot/o | ear |
| ov/i,ov/o,ovul/o | egg |
| papill/o | nipple-shaped elevation or structure |
| pari/o,par/o | bear,give birth to, labor |
| path/o | disease |
| pector/o | chest |
| ped/o | child,foot |
| phac/o | lens of the eye |
| phag/o | eat,swallow |
| myring/o | eardrum (tympanic) |
| somat/o | body |
| somn/i | sleep |
| sphen/o | wedge;sphenoid bone |
| spiro/o | to breath |
| spondyl/o | vertebra,spinal column |
| stern/o | sternum (breast bone) |
| steth/o | chest |
| staphed/o | innermost part of ear |
| stomat/o | mouth |
| strept/o | twist |
| squam/o | scale or plate-like |
| synovi/o | union,synovial memb |
| tars/o | edge(framework) |
| ten/o | stretch,tendon |
| therm/o | heat |
| thorac/o | chest |
| thromb/o | clot,lump |
| top/o | place |
| toxico/o | poison |
| trich/o | hair |
| tympan/o | eardrum or its enclosure |
| uln/o | ulna (lower arm bone) |
| uvul/o | fleshy mass |
| vas/o | vessel, duct,vas deferens |
| vestibule/o | space or cavity of canal |
| phleb/o | veins |
| phob/o | fear |
| phon/o | voice, sound |
| phragn/o | fence, block up |
| phren/o | mind;diaphragm |
| physic/o | physical, nature,physiology |
| pil/o | hair |
| pleru/o | membrane, rib side |
| plex/o | plexus braid ( of nerves) |
| pneum/o,pneumon/a | lung,air |
| pod/o | foot |
| poster/o | back (of body) |
| proct/o | rectum |
| proxim/o | near,nearest |
| pseudo/o | false |
| psych/o | mind |
| pulmon/o | lung |
| pyr/o | fever, heat |
| radic/o,radicul/o | nerve root |
| rect/o | rectum |
| ren/o | renal, the kidney |
| retr/o | backward, behind |
| rhin/o | nose |
| sac/o | bag-like organ or structure |
| salping/o | fallopian tube |
| scapula/o | wing-like, scapula (shoulder blade) |
| sarc/o | flesh |
| scler/o | hard |
| ventr/o | front,abdomen cavity |
| vesic/o | urinary bladder |
| viscer/o | organ, internal organ |
| xanth/o | yellow |