You are here
Home > Medical Terminology > Medical Terminology Reference [C]


[ 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 


The authors make no claims of the accuracy of the information contained herein; and these suggested doses are not a substitute for clinical judgment. Neither GlobalRPh Inc. nor any other party involved in the preparation of this program shall be liable for any special, consequential, or exemplary damages resulting in whole or part from any user’s use of or reliance upon this material.PLEASE READ THE DISCLAIMER CAREFULLY BEFORE ACCESSING OR USING THIS SITE. BY ACCESSING OR USING THIS SITE, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS SET FORTH IN THE DISCLAIMER. Read the disclaimer