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


[ 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 [G]

galact/o   milk
ganglion/o   ganglion; collection of nerve cell bodies
gastr/o   stomach
gel/o   to freeze, congeal
gemell/o   twins
-gen   substance that produces
-genesis   producing; forming
-genic   produced by or in
geni/o   chin
genit/o   reproduction
ge/o   earth, soil
ger/o   old age
geront/o   old age
gest/o   pregnancy
gester/o   pregnancy
gigant/o   huge
gingiv/o   gum
glauc/o   gray
gli/o   glial cells; neuroglial cells
-globin   protein
-globulin   protein
glomerul/o   glomerulus
gloss/o   tongue
gluc/o   glucose; sugar
glyc/o   glucose; sugar
glycogen/o   glycogen; animal starch v
glycos/o   glucose; sugar v
gnath/o   jaw
gnos/o   knowledge
gon/o   seed
gonad/o   sex glands
goni/o   angle
-grade   to go
-gram   record
granul/o   granule(s)
-graph   instrument for recording
graph/o   writing
-graphy   process of recording
gravid/o   pregnancy
-gravida   pregnant woman
gynec/o   woman; female
gyr/o   circle, spiral


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