| -ectomy | surgical removal; excision |
| anxi/o | anxious; uneasy |
| cephal/o | head |
| cerebell/o | cerebellum |
| cerebr/o | cerebrum |
| contus/o | to bruise |
| crani/o | skull |
| dendr/o | tree-like; branches |
| dur/o | dura mater |
| encephal/o | brain |
| esthes/o, esthesi/o | nervous sensation |
| gangli/o | tumor; cystic tumor |
| gli/o | glue |
| hormon/o | hormone |
| hydr/o | water |
| hypn/o | sleep |
| iatr/o | physician; treatment |
| isch/o | back; to hold back |
| lamin/o | lamina (thin plate or layer; arch) |
| lex/o | word |
| medull/o | medulla oblongata |
| megal/o | large; great; grand |
| mening/o,
meningi/o | meninges |
| ment/o | mind |
| myel/o | bone marrow; spinal cord |
| narc/o | numbness; sleep; stupor |
| neur/o | nerve |
| phas/o | speech |
| phob/o | fear |
| phren/o | mind |
| pol/o | extreme |
| poli/o | gray matter |
| pont/o | pons |
| psych/o | mind |
| radicul/o | nerve root |
| schiz/o | split |
| somat/o | body |
| synaps/o,
synapt/o | point of contact; to join |
| syncop/o | to cut off; cut short; faint |
| tax/o | coordination; order |
| tempor/o | the temples |
| thalam/o | thalamus |
| thec/o | sheath (meninges) |
| traumat/o | trauma; injury; wound |
| troph/o | development; nourishment |
| ventricul/o | ventricle |
| vertebr/o | vertebrae; spinal column bones |
| acous/o | hearing |
| acoust/o | hearing; sound |
| ambly/o | dull; dim |
| aque/o | water |
| audi/o, audit/o | hearing |
| aur/o | ear |
| blephar/o | eyelid |
| cerumin/o | cerumen |
| cochle/o | cochlea |
| conjunctiv/o | conjunctiva |
| cor/o, core/o | pupil |
| corne/o | cornea |
| cry/o | cold |
| cyst/o | cyst; fluid sac; bladder |
| dacry/o | tear |
| dipl/o | double |
| glauc/o | gray |
| graph/o | writing |
| gustat/o | taste |
| ir/o, irid/o | iris |
| kerat/o | cornea |
| lacrim/o | tears |
| mi/o | smaller; less |
| mydr/o | widened; enlarged |
| myring/o | tympanic membrane;
eardrum |
| nyct/o | night |
| ocul/o | eye |
| olfact/o | smell |
| ophthalm/o | eye |
| opt/o, optic/o | eye; vision |
| orbit/o | eye socket |
| ossic/o | ossicle (small bone) |
| ot/o | ear |
| papill/o | optic disc; nipple-like |
| optic disc; nipple-like | lens of the eye |
| phon/o | sound |
| phot/o | light |
| presby/o | old age |
| retin/o | retina |
| rhin/o | nose |
| salping/o | Eustachian (auditory) tube;
fallopian tube |
| scot/o | darkness |
| staped/o | stapes (middle ear bone) |
| steat/o | sebum; fat |
| stigmat/o | point |
| ton/o | tone; tension |
| tympan/o | eardrum |
| vestibul/o | vestibule |
| vitr/o | vitreous body |
| vitre/o | glassy |
| af- | toward; near |
| bi- | two; both |
| con- | together; with |
| dys- | painful; difficult |
| ef- | out of; outside |
| en- | in; within |
| epi- | on; over; upon |
| hemi- | half |
| intra- | within; into |
| micro- | small |
| par-, para- | near; beside; alongside; beyond;
abnormal |
| poly- | many; much |
| post- | after; behind |
| quadri- | four |
| soma- | body |
| sub- | below; under |
| a-, an- | not; without |
| ec- | out; outside |
| en- | in; within |
| eso- | inward |
| exo- | outward |
| hyper- | above; above normal; excessive |
| hypo- | below; below normal; deficient |
| infra- | below; beneath; inferior |
| intra- | within; into |
| -al, -ar, -eal,
-ial, -ic, -tic | pertaining to |
| -algesia | pain; sensitivity |
| -algia | pain |
| -asthenia | weakness |
| -cele | hernia; swelling; protrusion |
| -e | (noun suffix with no meaning) |
| -emic | pertaining to blood condition |
| -esthesia | feeling; sensation |
| -ferent | to carry |
| -glia | glue |
| -graphy | process of recording |
| -ia | condition |
| -ion | process; state; condition |
| -ist | specialist |
| -itis | inflammation |
| -lepsy | seizure |
| -leptic | to seize; take hold of |
| -logy | study of |
| -lysis | breakdown; separation;
loosening |
| -lytic | pertaining to breakdown or
destruction |
| -mania | obsessive preoccupation |
| -orexia | appetite |
| -osis | process; abnormal condition |
| -paresis | weakness |
| -pathy | disease |
| -phasia | speech |
| -phobia | fear |
| -plegia | paralysis |
| -rrhagic | pertaining to bursting forth (of
blood) |
| -rrhaphy | suture |
| -sclerosis | hardening; thickening |
| -taxia | muscle |
| -tomy | process of cutting; incision |
| -tropic | turning |
| -um, -us | structure; tissue; thing |
| -cusis | hearing |
| -ectomy | surgical removal; excision |
| -esthesia | feeling; sensation |
| -gram | record; image |
| -meter | measure |
| -ia | condition |
| -ion | process; state; condition |
| -ism | process; condition |
| -metry | process of measuring |
| -motor | movement |
| -oma | tumor; mass |
| -opia | vision condition |
| -osmia | smell condition |
| -otia | ear condition |
| -pathy | disease |
| -pexy | surgical fixation |
| -plasty | surgical repair |
| -ptosis | droop; sag; prolapse; protrude |
| -sclerosis | hardening; thickening |
| -scope | instrument used to view |
| -scopy | visual examination using a
scope |
| -spasm | muscle contraction |
| -stomy | surgical opening |
| -tomy | process of cutting; incision |
| -tropia | to turn |
