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Medical TERMINOLOGY

[ 1 ] Quick Introduction.

[ 2 ] Word Building Reference: new icon   This is a great reference to help strengthen your understanding of medical terminology.   See how common medical terms are created using the various prefixes, suffixes, and root words.

[ 3 ]  Medical Terms – Singular versus plural rules

[ 4 ]  Medical Terminology Exams  new icon   Twenty new exams were created to test your knowledge of medical terminology.

[ 5 ]  Medical Terms – Prefixes, roots, suffixes (see links below)

Prefix: A prefix is placed at the beginning of a word to modify or change its meaning. Pre means “before.” Prefixes may also indicate a location, number, or time.
Root: central part of a word.
Suffix: The ending part of a word that modifies the meaning of the word.
Example: cholecystitis. Root = ‘cholecyst/o’ -Definition: gallbladder and the suffix is ‘itis’ – Definition: inflammation. Translation: inflammation of the gallbladder.

Alphabetical Listing of Med Terms

a b c d e f g h i j k l m
n o p q r s t u v w x y z

Medical Terminology Reference [C]

cac/o   bad
calc/o   calcium
calcane/o   calcaneus (heel bone) 
calci/o   calcium
calcul/o, -calculia   to compute
cali/o   calyx
calic/o   calyx
calor/i   heat 
campt/o   bent 
capillar/o   capillary (tiniest blood vessel) 
capn/o   carbon dioxide 
-capnia   carbon dioxide 
caps/o, capsul/o   capsule, container 
carcin/o   cancerous; cancer 
cari/o   caries, rottenness
cardi/o   heart
carp/o   wrist bones (carpals) 
cata-   down
-cataphasia   affirmation 
cathar/o, cathart/o   cleansing, purging 
-cathisia, -kathisia   sitting 
caud/o   tail; lower part of body 
caus/o   burn; burning 
cauter/o   heat; burn 
cav/o, cavit/o   hollow, cavity 
cec/o   cecum (first part of colon) 
-cele   hernia
celi/o   belly; abdomen v
-centesis   surgical puncture to remove fluid 
centr/o   center
cephal/o   head
cerebell/o   cerebellum (posterior part of the brain) 
cerebr/o   cerebrum (largest part of the brain) 
cerumin/o   cerumen
cervic/o   neck; cervix (neck of uterus) 
-chalasia   relaxation
-chalasis   relaxation
cheil/o   lip
chem/o   drug; chemical 
-chezia   defacation; elimination of wastes 
chir/o   hand
chlor/o   green
chlorhydr/o   hydrochloric acid 
chol/e   bile; gall 
cholangi/o   bile; vessel 
cholecyst/o   gallbladder
choledoch/o   common bile duct 
cholesterol/o   cholesterol
chondr/o   cartilage
chore/o   dance
chori/o   chorion (outermost membrane of the fetus) 
chorion/o   chorion
choroid/o   choroid layer of eye 
-chroia   skin coloration
chrom/o   color
chron/o   time
chrys/o   gold 
chyl/o   chyle 
chym/o   to pour 
cib/o   meal
-cide   killing
-cidal   pertaining to killing 
cine/o   movement
circum-   around
cirrh/o   orange-yellow
cis/o   to cut 
-clasis   to break 
-clast   to break 
claustr/o   enclosed space 
clavicul/o   clavicle (collar bone) 
cleid/o   clavicle 
clin/o   to slope, bend 
-clysis   irrigation; washing 
coagul/o   coagulation (clotting) 
-coccus   berry-shaped bacterium 
coccyg/o   coccyx (tail bone) 
cochle/o   cochlea (inner part of ear) 
-coimesis   sleeping 
col/o   colon (large intestine) 
coll/a   glue
colon/o   colon (large intestine) 
colp/o   vagina
comat/o   deep sleep 
comi/o   to care for 
-coma   deep sleep 
con-   together; with 
coni/o   dust
conjunctiv/o   conjuctiva (lines of eyelids) 
consci/o   awareness, aware
constrict/o   narrowing, binding
-constriction   narrowing
contra-   against; opposite 
contus/o   to bruise
cor/o   pupil
core/o   pupil
corne/o   cornea
coron/o   crown or circle  (example:  Coron/ary arteries encircle
the heart)
corpor/o   body
cortic/o   cortex, outer region 
cost/o   rib
cox/o   hip
crani/o   skull
cras/o   mixture; temperament 
crin/o   secrete
-crine   to secrete; separate 
-crit   to separate
critic/o   crisis, dangerous
cry/o   cold
crypt/o   hidden
cubit/o   elbow, forearm
culd/o   cul-de-sac
cupr/o   copper
-cusis   hearing
cutane/o   skin
cyan/o   blue
cycl/o   ciliary body of eye; cycle; circle 
-cyesis   pregnancy
cyst/o   urinary bladder; cyst; sac of fluid 
cyt/o   cell
-cyte   cell
-cytosis   condition of cells; slight increase in numbers 

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