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Roots
| Root | Definition |
|---|---|
| acr/o | extremity, top, heights |
| aer/o | air |
| ambul/o | walk |
| bi/o | life |
| carcin/o | cancer |
| chem/o | chemical |
| chron/o | time |
| chyl/o | chyle |
| coni/o | dust |
| cry/o | cold |
| cyan/o | blue |
| desicc/o | drying |
| dips/o | thirst |
| electr/o | electricity |
| eury/o | wide |
| fibr/o | fiber |
| galact/o | milk |
| gen/o | generation/cause |
| gnosi/o | knowledge |
| graph/o | write |
| hem/o | blood |
| hepat/o | liver |
| hydr/o | water |
| isch/o | hold back |
| kel/o | tumor |
| klept/o | theft |
| kyph/o | bent |
| lex/o | reading |
| lord/o | bend backwards |
| morph/o | change |
| muc/o | mucus |
| myc/o | fungus |
| narc/o | sleep |
| necr/o | death |
| neur/o | nerve |
| noct/o | night |
| orth/o | straight |
| osm/o | smelling |
| path/o | suffering/disease |
| phag/o | eat |
| pharmac/c | drug |
| phas/o | speech |
| phil/o | love |
| phon/o | sound/voice |
| plas/o | formation |
| poli/o | gray |
| por/o | pore |
| prosop/o | face |
| py/o | pus |
| pylor/o | gatekeeper |
| pyr/o | fire |
| sarc/o | flesh |
| scler/o | hard |
| scoli/o | crooked |
| sept/i | rotting |
| sept/o | wall, partition |
| somat/o | body |
| son/o | sound |
| spin/o | spine |
| stigmat/o | point |
| stom/o | mouth |
| tel/o | complete, end |
| thel/o | breast |
| thromb/o | clot |
| tom/o | cut |
| top/o | place |
| trich/o | hair |
| trop/o | turn |
| troph/o | nourishment/development |
| tuss/o | cough |
| xen/o | foreign |
| xer/o | dry |
| arthr/o | joint |
| cardi/o | heart |
| enter/o | small intestine |
| gastr/o | stomach |
| muscul/o | muscle |
| angi/o | vessel |
| vas/o | vessel |
| vascul/o | vessel |
| derm/o | skin |
| dermat/o | skin |
| cutane/o | skin |
| pneum/o | lung |
| pneumon/o | lung |
| pulmon/o | lung |
| hemat/o | blood |
| apid/o | fat |
| lip/o | fat |
| steat/o | fat |
| pil/o | hair |
| trich/o | hair |
| hidr/o | sweat |
| squam/o | scale |
| onchy/o | nail |
| ungu/o | nail |
| seb/o | oil |
| sebace/o | oil |
| crypt/o | hidden |
| kerat/o | hard, horny |
| xanth/o | yellow |
| erythr/o | red |
| leuk/o | white |
| alb/o | white |
| melan/o | black |
| ankyl/o | stiff, bent |
| brachi/o | arm |
| burs/o | bursa (fluid sac near joints) |
| carp/o | wrist |
| cervic/o | arm |
| chondr/o | cartilage |
| cost/o | rib |
| crani/o | head, skull |
| dactyl/o | finger |
| fasci/o | fascia (connective tissue) |
| femor/o | femur |
| kinesi/o | movement, motion |
| lumb/o | loin, lower back |
| my/o | muscle |
| myos/o | muscle |
| oste/o | bone |
| spondyl/o | vertebra |
| tars/o | ankle |
| tax/o | arrangement, order, coordination |
| ten/o | tendon |
| tend/o | tendon |
| tendin/o | tendon |
| tibi/o | tibia |
| ton/o | (muscle) tone, tension |
| somn/o | sleep |
| somn/i | sleep |
| psych/o | mind |
| phren/o | mind |
| myel/o | spinal cord, bone marrow |
| mening/o | meninges; membrane surrounding the brain and spinal cord |
| meningi/o | meninges; membrane surrounding the brain and spinal cord |
| lob/o | lobe |
| hypn/o | sleep |
| gangli/o | nerve bundle |
| esthesi/o | feeling, sensation |
| encephal/o | brain |
| dur/o | tough outer membrane surrounding the brain and spinal cord |
| cerebr/o | brain |
| cephal/o | head |
| -asthenia | weakness |
| cerebell/o | cerebellum |
| acous/o | sound |
| audi/o | sound |
| aur/o | ear |
| blephar/o | eyelid |
| cerumin/o | ear wax |
| cochle/o | cochlea |
| conjunctiv/o | conjunctiva |
| corne/o | cornea |
| cycl/o | ciliary body |
| dacry/o | tear |
| ir/o | iris |
| irid/o | iris |
| kerat/o | cornea |
| labyrinth/o | labyrinth |
| lacrim/o | tear |
| mastoid/o | mastoid process |
| myring/o | eardrum |
| ocul/o | eye |
| ophthalm/o | eye |
| opt/o | eye |
| ot/o | ear |
| phac/o | lens |
| phak/o | lens |
| retin/o | retina |
| salping/o | eustachian |
| scler/o | sclera |
| tympan/o | eardrum |
| vestibul/o | vestibule |