You are here
Home > Medical Terminology > Medical Terminology Reference – R

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 – R

rachi/o   spinal column; vertebrae
radi/o   x-rays; radioactivity; radius (lateral lower arm bone) 
radicul/o   nerve root 
re-   back; again; backward 
-receptor, -ceptor   receiver
rect/o   rectum
ren/o   kidney
respir/o   breath
resuscit/o   to revive
reticul/o   network
retin/o   retina
retro-   behind; back; backward 
rhabd/o   rod 
rhabdomy/o   striated (skeletal) muscle
rhe/o   flow, current, stream 
rheumat/o   watery flow 
rhin/o   nose
rhiz/o   root
rhod/o   red, rosy
rhytid/o   wrinkle
roentgen/o   x-rays
rose/o   rosy 
rot/o, rotat/o   turn, revolve 
-rrhage   bursting forth (of blood) 
-rrhagia   bursting forth (of blood) 
-rrhaphy   suture
-rrhea   flow; discharge 
-rrhexis   rupture
rhythm/o   rhythm
rubr/o, rubr/i   red

Disclaimer

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